Home / 1,654.07-2,279.88-1,155.92

Finding the Fourth Proportional to 1,654.07, 2,279.88 and 1,155.92

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Solution

The fourth proportional to 1,654.07, 2,279.88 and 1,155.92 is: 1,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.07 : 2,279.88 = 1,155.92 : x
  2. Step 2: Convert to fraction form
    1,654.07/2,279.88 = 1,155.92/x
  3. Step 3: Cross multiply
    1,654.07x = 2,279.88 × 1,155.92
  4. Step 4: Simplify right side
    1,654.07x = 2,635,347.49
  5. Step 5: Solve for x
    x = 2,635,347.49/1,654.07
  6. Step 6: Final answer
    x = 1,593.26

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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.