Home / 3,439.54-5,160.67-1,099.90

Finding the Fourth Proportional to 3,439.54, 5,160.67 and 1,099.90

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Solution

The fourth proportional to 3,439.54, 5,160.67 and 1,099.90 is: 1,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.54 : 5,160.67 = 1,099.90 : x
  2. Step 2: Convert to fraction form
    3,439.54/5,160.67 = 1,099.90/x
  3. Step 3: Cross multiply
    3,439.54x = 5,160.67 × 1,099.90
  4. Step 4: Simplify right side
    3,439.54x = 5,676,220.93
  5. Step 5: Solve for x
    x = 5,676,220.93/3,439.54
  6. Step 6: Final answer
    x = 1,650.29

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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.