Home / 3,439.44-5,158.68-1,099.62

Finding the Fourth Proportional to 3,439.44, 5,158.68 and 1,099.62

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Solution

The fourth proportional to 3,439.44, 5,158.68 and 1,099.62 is: 1,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.44 : 5,158.68 = 1,099.62 : x
  2. Step 2: Convert to fraction form
    3,439.44/5,158.68 = 1,099.62/x
  3. Step 3: Cross multiply
    3,439.44x = 5,158.68 × 1,099.62
  4. Step 4: Simplify right side
    3,439.44x = 5,672,587.70
  5. Step 5: Solve for x
    x = 5,672,587.70/3,439.44
  6. Step 6: Final answer
    x = 1,649.28

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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.