Home / 2,237.01-3,087.12-1,228.75

Finding the Fourth Proportional to 2,237.01, 3,087.12 and 1,228.75

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Solution

The fourth proportional to 2,237.01, 3,087.12 and 1,228.75 is: 1,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.01 : 3,087.12 = 1,228.75 : x
  2. Step 2: Convert to fraction form
    2,237.01/3,087.12 = 1,228.75/x
  3. Step 3: Cross multiply
    2,237.01x = 3,087.12 × 1,228.75
  4. Step 4: Simplify right side
    2,237.01x = 3,793,298.70
  5. Step 5: Solve for x
    x = 3,793,298.70/2,237.01
  6. Step 6: Final answer
    x = 1,695.70

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Half scale
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Double scale
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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.