Home / 2,557.75-3,817.95-2,194.87

Finding the Fourth Proportional to 2,557.75, 3,817.95 and 2,194.87

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Solution

The fourth proportional to 2,557.75, 3,817.95 and 2,194.87 is: 3,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.75 : 3,817.95 = 2,194.87 : x
  2. Step 2: Convert to fraction form
    2,557.75/3,817.95 = 2,194.87/x
  3. Step 3: Cross multiply
    2,557.75x = 3,817.95 × 2,194.87
  4. Step 4: Simplify right side
    2,557.75x = 8,379,873.85
  5. Step 5: Solve for x
    x = 8,379,873.85/2,557.75
  6. Step 6: Final answer
    x = 3,276.27

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.