Home / 3,114.48-4,292.07-2,228.75

Finding the Fourth Proportional to 3,114.48, 4,292.07 and 2,228.75

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Solution

The fourth proportional to 3,114.48, 4,292.07 and 2,228.75 is: 3,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.48 : 4,292.07 = 2,228.75 : x
  2. Step 2: Convert to fraction form
    3,114.48/4,292.07 = 2,228.75/x
  3. Step 3: Cross multiply
    3,114.48x = 4,292.07 × 2,228.75
  4. Step 4: Simplify right side
    3,114.48x = 9,565,951.01
  5. Step 5: Solve for x
    x = 9,565,951.01/3,114.48
  6. Step 6: Final answer
    x = 3,071.44

Related Problems

Find fourth proportional to 1,557.24, 2,146.04 and 1,114.38
Half scale
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Double scale
Find fourth proportional to 3,115.48, 4,293.45 and 2,229.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.