Home / 3,439.26-5,160.60-1,248.48

Finding the Fourth Proportional to 3,439.26, 5,160.60 and 1,248.48

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Solution

The fourth proportional to 3,439.26, 5,160.60 and 1,248.48 is: 1,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.26 : 5,160.60 = 1,248.48 : x
  2. Step 2: Convert to fraction form
    3,439.26/5,160.60 = 1,248.48/x
  3. Step 3: Cross multiply
    3,439.26x = 5,160.60 × 1,248.48
  4. Step 4: Simplify right side
    3,439.26x = 6,442,905.89
  5. Step 5: Solve for x
    x = 6,442,905.89/3,439.26
  6. Step 6: Final answer
    x = 1,873.34

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1.5x scale

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.