Home / 3,821.35-5,732.33-1,630.10

Finding the Fourth Proportional to 3,821.35, 5,732.33 and 1,630.10

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Solution

The fourth proportional to 3,821.35, 5,732.33 and 1,630.10 is: 2,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.35 : 5,732.33 = 1,630.10 : x
  2. Step 2: Convert to fraction form
    3,821.35/5,732.33 = 1,630.10/x
  3. Step 3: Cross multiply
    3,821.35x = 5,732.33 × 1,630.10
  4. Step 4: Simplify right side
    3,821.35x = 9,344,271.13
  5. Step 5: Solve for x
    x = 9,344,271.13/3,821.35
  6. Step 6: Final answer
    x = 2,445.28

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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.