Home / 1,617.16-2,425.24-836.92

Finding the Fourth Proportional to 1,617.16, 2,425.24 and 836.92

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Solution

The fourth proportional to 1,617.16, 2,425.24 and 836.92 is: 1,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.16 : 2,425.24 = 836.92 : x
  2. Step 2: Convert to fraction form
    1,617.16/2,425.24 = 836.92/x
  3. Step 3: Cross multiply
    1,617.16x = 2,425.24 × 836.92
  4. Step 4: Simplify right side
    1,617.16x = 2,029,731.86
  5. Step 5: Solve for x
    x = 2,029,731.86/1,617.16
  6. Step 6: Final answer
    x = 1,255.12

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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.