Home / 3,275.16-4,519.68-1,877.92

Finding the Fourth Proportional to 3,275.16, 4,519.68 and 1,877.92

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Solution

The fourth proportional to 3,275.16, 4,519.68 and 1,877.92 is: 2,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.16 : 4,519.68 = 1,877.92 : x
  2. Step 2: Convert to fraction form
    3,275.16/4,519.68 = 1,877.92/x
  3. Step 3: Cross multiply
    3,275.16x = 4,519.68 × 1,877.92
  4. Step 4: Simplify right side
    3,275.16x = 8,487,597.47
  5. Step 5: Solve for x
    x = 8,487,597.47/3,275.16
  6. Step 6: Final answer
    x = 2,591.51

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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.