Home / 1,393.27-2,092.58-1,337.17

Finding the Fourth Proportional to 1,393.27, 2,092.58 and 1,337.17

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Solution

The fourth proportional to 1,393.27, 2,092.58 and 1,337.17 is: 2,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393.27 : 2,092.58 = 1,337.17 : x
  2. Step 2: Convert to fraction form
    1,393.27/2,092.58 = 1,337.17/x
  3. Step 3: Cross multiply
    1,393.27x = 2,092.58 × 1,337.17
  4. Step 4: Simplify right side
    1,393.27x = 2,798,135.20
  5. Step 5: Solve for x
    x = 2,798,135.20/1,393.27
  6. Step 6: Final answer
    x = 2,008.32

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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.