Home / 3,531.60-4,872.96-2,645.52

Finding the Fourth Proportional to 3,531.60, 4,872.96 and 2,645.52

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Solution

The fourth proportional to 3,531.60, 4,872.96 and 2,645.52 is: 3,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.60 : 4,872.96 = 2,645.52 : x
  2. Step 2: Convert to fraction form
    3,531.60/4,872.96 = 2,645.52/x
  3. Step 3: Cross multiply
    3,531.60x = 4,872.96 × 2,645.52
  4. Step 4: Simplify right side
    3,531.60x = 12,891,513.14
  5. Step 5: Solve for x
    x = 12,891,513.14/3,531.60
  6. Step 6: Final answer
    x = 3,650.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.