Home / 3,619.92-5,432.02-1,540.35

Finding the Fourth Proportional to 3,619.92, 5,432.02 and 1,540.35

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Solution

The fourth proportional to 3,619.92, 5,432.02 and 1,540.35 is: 2,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.92 : 5,432.02 = 1,540.35 : x
  2. Step 2: Convert to fraction form
    3,619.92/5,432.02 = 1,540.35/x
  3. Step 3: Cross multiply
    3,619.92x = 5,432.02 × 1,540.35
  4. Step 4: Simplify right side
    3,619.92x = 8,367,208.16
  5. Step 5: Solve for x
    x = 8,367,208.16/3,619.92
  6. Step 6: Final answer
    x = 2,311.43

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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.