Home / 3,439.70-5,160.96-1,248.62

Finding the Fourth Proportional to 3,439.70, 5,160.96 and 1,248.62

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Solution

The fourth proportional to 3,439.70, 5,160.96 and 1,248.62 is: 1,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.70 : 5,160.96 = 1,248.62 : x
  2. Step 2: Convert to fraction form
    3,439.70/5,160.96 = 1,248.62/x
  3. Step 3: Cross multiply
    3,439.70x = 5,160.96 × 1,248.62
  4. Step 4: Simplify right side
    3,439.70x = 6,444,077.88
  5. Step 5: Solve for x
    x = 6,444,077.88/3,439.70
  6. Step 6: Final answer
    x = 1,873.44

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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.