Home / 1,472.90-2,210.15-607.30

Finding the Fourth Proportional to 1,472.90, 2,210.15 and 607.30

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Solution

The fourth proportional to 1,472.90, 2,210.15 and 607.30 is: 911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.90 : 2,210.15 = 607.30 : x
  2. Step 2: Convert to fraction form
    1,472.90/2,210.15 = 607.30/x
  3. Step 3: Cross multiply
    1,472.90x = 2,210.15 × 607.30
  4. Step 4: Simplify right side
    1,472.90x = 1,342,224.10
  5. Step 5: Solve for x
    x = 1,342,224.10/1,472.90
  6. Step 6: Final answer
    x = 911.28

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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.