Home / 2,442.92-3,657.19-1,515.50

Finding the Fourth Proportional to 2,442.92, 3,657.19 and 1,515.50

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Solution

The fourth proportional to 2,442.92, 3,657.19 and 1,515.50 is: 2,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.92 : 3,657.19 = 1,515.50 : x
  2. Step 2: Convert to fraction form
    2,442.92/3,657.19 = 1,515.50/x
  3. Step 3: Cross multiply
    2,442.92x = 3,657.19 × 1,515.50
  4. Step 4: Simplify right side
    2,442.92x = 5,542,471.45
  5. Step 5: Solve for x
    x = 5,542,471.45/2,442.92
  6. Step 6: Final answer
    x = 2,268.79

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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.