Home / 2,365.08-3,548.13-721.75

Finding the Fourth Proportional to 2,365.08, 3,548.13 and 721.75

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Solution

The fourth proportional to 2,365.08, 3,548.13 and 721.75 is: 1,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.08 : 3,548.13 = 721.75 : x
  2. Step 2: Convert to fraction form
    2,365.08/3,548.13 = 721.75/x
  3. Step 3: Cross multiply
    2,365.08x = 3,548.13 × 721.75
  4. Step 4: Simplify right side
    2,365.08x = 2,560,862.83
  5. Step 5: Solve for x
    x = 2,560,862.83/2,365.08
  6. Step 6: Final answer
    x = 1,082.78

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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.