Home / 3,434.22-5,151.78-1,585.08

Finding the Fourth Proportional to 3,434.22, 5,151.78 and 1,585.08

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Solution

The fourth proportional to 3,434.22, 5,151.78 and 1,585.08 is: 2,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.22 : 5,151.78 = 1,585.08 : x
  2. Step 2: Convert to fraction form
    3,434.22/5,151.78 = 1,585.08/x
  3. Step 3: Cross multiply
    3,434.22x = 5,151.78 × 1,585.08
  4. Step 4: Simplify right side
    3,434.22x = 8,165,983.44
  5. Step 5: Solve for x
    x = 8,165,983.44/3,434.22
  6. Step 6: Final answer
    x = 2,377.83

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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.