Home / 3,621.30-5,432.25-1,156.47

Finding the Fourth Proportional to 3,621.30, 5,432.25 and 1,156.47

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Solution

The fourth proportional to 3,621.30, 5,432.25 and 1,156.47 is: 1,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.30 : 5,432.25 = 1,156.47 : x
  2. Step 2: Convert to fraction form
    3,621.30/5,432.25 = 1,156.47/x
  3. Step 3: Cross multiply
    3,621.30x = 5,432.25 × 1,156.47
  4. Step 4: Simplify right side
    3,621.30x = 6,282,234.16
  5. Step 5: Solve for x
    x = 6,282,234.16/3,621.30
  6. Step 6: Final answer
    x = 1,734.80

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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.