Home / 3,508.71-5,260.02-1,658.87

Finding the Fourth Proportional to 3,508.71, 5,260.02 and 1,658.87

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Solution

The fourth proportional to 3,508.71, 5,260.02 and 1,658.87 is: 2,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.71 : 5,260.02 = 1,658.87 : x
  2. Step 2: Convert to fraction form
    3,508.71/5,260.02 = 1,658.87/x
  3. Step 3: Cross multiply
    3,508.71x = 5,260.02 × 1,658.87
  4. Step 4: Simplify right side
    3,508.71x = 8,725,689.38
  5. Step 5: Solve for x
    x = 8,725,689.38/3,508.71
  6. Step 6: Final answer
    x = 2,486.87

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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.