Home / 2,452.48-3,679.08-991.36

Finding the Fourth Proportional to 2,452.48, 3,679.08 and 991.36

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Solution

The fourth proportional to 2,452.48, 3,679.08 and 991.36 is: 1,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.48 : 3,679.08 = 991.36 : x
  2. Step 2: Convert to fraction form
    2,452.48/3,679.08 = 991.36/x
  3. Step 3: Cross multiply
    2,452.48x = 3,679.08 × 991.36
  4. Step 4: Simplify right side
    2,452.48x = 3,647,292.75
  5. Step 5: Solve for x
    x = 3,647,292.75/2,452.48
  6. Step 6: Final answer
    x = 1,487.19

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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.