Home / 3,531.60-4,851.72-3,163.32

Finding the Fourth Proportional to 3,531.60, 4,851.72 and 3,163.32

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Solution

The fourth proportional to 3,531.60, 4,851.72 and 3,163.32 is: 4,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.60 : 4,851.72 = 3,163.32 : x
  2. Step 2: Convert to fraction form
    3,531.60/4,851.72 = 3,163.32/x
  3. Step 3: Cross multiply
    3,531.60x = 4,851.72 × 3,163.32
  4. Step 4: Simplify right side
    3,531.60x = 15,347,542.91
  5. Step 5: Solve for x
    x = 15,347,542.91/3,531.60
  6. Step 6: Final answer
    x = 4,345.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.