Home / 3,439.14-5,158.45-1,099.05

Finding the Fourth Proportional to 3,439.14, 5,158.45 and 1,099.05

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Solution

The fourth proportional to 3,439.14, 5,158.45 and 1,099.05 is: 1,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.14 : 5,158.45 = 1,099.05 : x
  2. Step 2: Convert to fraction form
    3,439.14/5,158.45 = 1,099.05/x
  3. Step 3: Cross multiply
    3,439.14x = 5,158.45 × 1,099.05
  4. Step 4: Simplify right side
    3,439.14x = 5,669,394.47
  5. Step 5: Solve for x
    x = 5,669,394.47/3,439.14
  6. Step 6: Final answer
    x = 1,648.49

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Half scale
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Double scale
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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.