Home / 1,472.20-2,207.10-606.28

Finding the Fourth Proportional to 1,472.20, 2,207.10 and 606.28

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Solution

The fourth proportional to 1,472.20, 2,207.10 and 606.28 is: 908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.20 : 2,207.10 = 606.28 : x
  2. Step 2: Convert to fraction form
    1,472.20/2,207.10 = 606.28/x
  3. Step 3: Cross multiply
    1,472.20x = 2,207.10 × 606.28
  4. Step 4: Simplify right side
    1,472.20x = 1,338,120.59
  5. Step 5: Solve for x
    x = 1,338,120.59/1,472.20
  6. Step 6: Final answer
    x = 908.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.