Home / 3,411.36-5,117.04-1,103.04

Finding the Fourth Proportional to 3,411.36, 5,117.04 and 1,103.04

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Solution

The fourth proportional to 3,411.36, 5,117.04 and 1,103.04 is: 1,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.36 : 5,117.04 = 1,103.04 : x
  2. Step 2: Convert to fraction form
    3,411.36/5,117.04 = 1,103.04/x
  3. Step 3: Cross multiply
    3,411.36x = 5,117.04 × 1,103.04
  4. Step 4: Simplify right side
    3,411.36x = 5,644,299.80
  5. Step 5: Solve for x
    x = 5,644,299.80/3,411.36
  6. Step 6: Final answer
    x = 1,654.56

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Double scale
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Similar ratio
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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.