Home / 3,434.32-5,151.66-1,587.16

Finding the Fourth Proportional to 3,434.32, 5,151.66 and 1,587.16

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Solution

The fourth proportional to 3,434.32, 5,151.66 and 1,587.16 is: 2,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.32 : 5,151.66 = 1,587.16 : x
  2. Step 2: Convert to fraction form
    3,434.32/5,151.66 = 1,587.16/x
  3. Step 3: Cross multiply
    3,434.32x = 5,151.66 × 1,587.16
  4. Step 4: Simplify right side
    3,434.32x = 8,176,508.69
  5. Step 5: Solve for x
    x = 8,176,508.69/3,434.32
  6. Step 6: Final answer
    x = 2,380.82

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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.