Home / 3,439.76-5,160.32-1,248.56

Finding the Fourth Proportional to 3,439.76, 5,160.32 and 1,248.56

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Solution

The fourth proportional to 3,439.76, 5,160.32 and 1,248.56 is: 1,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.76 : 5,160.32 = 1,248.56 : x
  2. Step 2: Convert to fraction form
    3,439.76/5,160.32 = 1,248.56/x
  3. Step 3: Cross multiply
    3,439.76x = 5,160.32 × 1,248.56
  4. Step 4: Simplify right side
    3,439.76x = 6,442,969.14
  5. Step 5: Solve for x
    x = 6,442,969.14/3,439.76
  6. Step 6: Final answer
    x = 1,873.09

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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.