Home / 3,543.78-5,316.62-3,156.44

Finding the Fourth Proportional to 3,543.78, 5,316.62 and 3,156.44

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Solution

The fourth proportional to 3,543.78, 5,316.62 and 3,156.44 is: 4,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.78 : 5,316.62 = 3,156.44 : x
  2. Step 2: Convert to fraction form
    3,543.78/5,316.62 = 3,156.44/x
  3. Step 3: Cross multiply
    3,543.78x = 5,316.62 × 3,156.44
  4. Step 4: Simplify right side
    3,543.78x = 16,781,592.03
  5. Step 5: Solve for x
    x = 16,781,592.03/3,543.78
  6. Step 6: Final answer
    x = 4,735.51

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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.