Home / 2,422.87-3,635.51-1,124.11

Finding the Fourth Proportional to 2,422.87, 3,635.51 and 1,124.11

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Solution

The fourth proportional to 2,422.87, 3,635.51 and 1,124.11 is: 1,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.87 : 3,635.51 = 1,124.11 : x
  2. Step 2: Convert to fraction form
    2,422.87/3,635.51 = 1,124.11/x
  3. Step 3: Cross multiply
    2,422.87x = 3,635.51 × 1,124.11
  4. Step 4: Simplify right side
    2,422.87x = 4,086,713.15
  5. Step 5: Solve for x
    x = 4,086,713.15/2,422.87
  6. Step 6: Final answer
    x = 1,686.72

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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.