Home / 3,531.08-5,293.18-1,681.70

Finding the Fourth Proportional to 3,531.08, 5,293.18 and 1,681.70

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Solution

The fourth proportional to 3,531.08, 5,293.18 and 1,681.70 is: 2,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.08 : 5,293.18 = 1,681.70 : x
  2. Step 2: Convert to fraction form
    3,531.08/5,293.18 = 1,681.70/x
  3. Step 3: Cross multiply
    3,531.08x = 5,293.18 × 1,681.70
  4. Step 4: Simplify right side
    3,531.08x = 8,901,549.83
  5. Step 5: Solve for x
    x = 8,901,549.83/3,531.08
  6. Step 6: Final answer
    x = 2,520.91

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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.