Home / 3,020.13-4,531.11-1,375.32

Finding the Fourth Proportional to 3,020.13, 4,531.11 and 1,375.32

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Solution

The fourth proportional to 3,020.13, 4,531.11 and 1,375.32 is: 2,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.13 : 4,531.11 = 1,375.32 : x
  2. Step 2: Convert to fraction form
    3,020.13/4,531.11 = 1,375.32/x
  3. Step 3: Cross multiply
    3,020.13x = 4,531.11 × 1,375.32
  4. Step 4: Simplify right side
    3,020.13x = 6,231,726.21
  5. Step 5: Solve for x
    x = 6,231,726.21/3,020.13
  6. Step 6: Final answer
    x = 2,063.40

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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.