Home / 1,757.25-2,632.12-1,139.13

Finding the Fourth Proportional to 1,757.25, 2,632.12 and 1,139.13

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Solution

The fourth proportional to 1,757.25, 2,632.12 and 1,139.13 is: 1,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.25 : 2,632.12 = 1,139.13 : x
  2. Step 2: Convert to fraction form
    1,757.25/2,632.12 = 1,139.13/x
  3. Step 3: Cross multiply
    1,757.25x = 2,632.12 × 1,139.13
  4. Step 4: Simplify right side
    1,757.25x = 2,998,324.01
  5. Step 5: Solve for x
    x = 2,998,324.01/1,757.25
  6. Step 6: Final answer
    x = 1,706.26

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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.