Home / 1,951.34-2,691.92-1,165.32

Finding the Fourth Proportional to 1,951.34, 2,691.92 and 1,165.32

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Solution

The fourth proportional to 1,951.34, 2,691.92 and 1,165.32 is: 1,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.34 : 2,691.92 = 1,165.32 : x
  2. Step 2: Convert to fraction form
    1,951.34/2,691.92 = 1,165.32/x
  3. Step 3: Cross multiply
    1,951.34x = 2,691.92 × 1,165.32
  4. Step 4: Simplify right side
    1,951.34x = 3,136,951.13
  5. Step 5: Solve for x
    x = 3,136,951.13/1,951.34
  6. Step 6: Final answer
    x = 1,607.59

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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.