Home / 2,422.88-3,634.56-1,124.72

Finding the Fourth Proportional to 2,422.88, 3,634.56 and 1,124.72

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Solution

The fourth proportional to 2,422.88, 3,634.56 and 1,124.72 is: 1,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.88 : 3,634.56 = 1,124.72 : x
  2. Step 2: Convert to fraction form
    2,422.88/3,634.56 = 1,124.72/x
  3. Step 3: Cross multiply
    2,422.88x = 3,634.56 × 1,124.72
  4. Step 4: Simplify right side
    2,422.88x = 4,087,862.32
  5. Step 5: Solve for x
    x = 4,087,862.32/2,422.88
  6. Step 6: Final answer
    x = 1,687.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.