Home / 3,489.12-5,234.76-1,541.16

Finding the Fourth Proportional to 3,489.12, 5,234.76 and 1,541.16

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Solution

The fourth proportional to 3,489.12, 5,234.76 and 1,541.16 is: 2,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.12 : 5,234.76 = 1,541.16 : x
  2. Step 2: Convert to fraction form
    3,489.12/5,234.76 = 1,541.16/x
  3. Step 3: Cross multiply
    3,489.12x = 5,234.76 × 1,541.16
  4. Step 4: Simplify right side
    3,489.12x = 8,067,602.72
  5. Step 5: Solve for x
    x = 8,067,602.72/3,489.12
  6. Step 6: Final answer
    x = 2,312.22

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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.