Home / 3,821.30-5,732.24-1,630.04

Finding the Fourth Proportional to 3,821.30, 5,732.24 and 1,630.04

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Solution

The fourth proportional to 3,821.30, 5,732.24 and 1,630.04 is: 2,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.30 : 5,732.24 = 1,630.04 : x
  2. Step 2: Convert to fraction form
    3,821.30/5,732.24 = 1,630.04/x
  3. Step 3: Cross multiply
    3,821.30x = 5,732.24 × 1,630.04
  4. Step 4: Simplify right side
    3,821.30x = 9,343,798.90
  5. Step 5: Solve for x
    x = 9,343,798.90/3,821.30
  6. Step 6: Final answer
    x = 2,445.19

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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.