Home / 1,839.55-2,759.24-452.90

Finding the Fourth Proportional to 1,839.55, 2,759.24 and 452.90

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Solution

The fourth proportional to 1,839.55, 2,759.24 and 452.90 is: 679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.55 : 2,759.24 = 452.90 : x
  2. Step 2: Convert to fraction form
    1,839.55/2,759.24 = 452.90/x
  3. Step 3: Cross multiply
    1,839.55x = 2,759.24 × 452.90
  4. Step 4: Simplify right side
    1,839.55x = 1,249,646.00
  5. Step 5: Solve for x
    x = 1,249,646.00/1,839.55
  6. Step 6: Final answer
    x = 679.32

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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.