Home / 2,414.53-3,621.79-1,115.29

Finding the Fourth Proportional to 2,414.53, 3,621.79 and 1,115.29

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Solution

The fourth proportional to 2,414.53, 3,621.79 and 1,115.29 is: 1,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.53 : 3,621.79 = 1,115.29 : x
  2. Step 2: Convert to fraction form
    2,414.53/3,621.79 = 1,115.29/x
  3. Step 3: Cross multiply
    2,414.53x = 3,621.79 × 1,115.29
  4. Step 4: Simplify right side
    2,414.53x = 4,039,346.17
  5. Step 5: Solve for x
    x = 4,039,346.17/2,414.53
  6. Step 6: Final answer
    x = 1,672.93

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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.