Home / 3,421.16-5,132.20-1,229.38

Finding the Fourth Proportional to 3,421.16, 5,132.20 and 1,229.38

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Solution

The fourth proportional to 3,421.16, 5,132.20 and 1,229.38 is: 1,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.16 : 5,132.20 = 1,229.38 : x
  2. Step 2: Convert to fraction form
    3,421.16/5,132.20 = 1,229.38/x
  3. Step 3: Cross multiply
    3,421.16x = 5,132.20 × 1,229.38
  4. Step 4: Simplify right side
    3,421.16x = 6,309,424.04
  5. Step 5: Solve for x
    x = 6,309,424.04/3,421.16
  6. Step 6: Final answer
    x = 1,844.24

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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.