Home / 1,753.38-2,419.80-1,007.52

Finding the Fourth Proportional to 1,753.38, 2,419.80 and 1,007.52

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Solution

The fourth proportional to 1,753.38, 2,419.80 and 1,007.52 is: 1,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.38 : 2,419.80 = 1,007.52 : x
  2. Step 2: Convert to fraction form
    1,753.38/2,419.80 = 1,007.52/x
  3. Step 3: Cross multiply
    1,753.38x = 2,419.80 × 1,007.52
  4. Step 4: Simplify right side
    1,753.38x = 2,437,996.90
  5. Step 5: Solve for x
    x = 2,437,996.90/1,753.38
  6. Step 6: Final answer
    x = 1,390.46

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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.