Home / 3,275.92-4,517.40-2,280.72

Finding the Fourth Proportional to 3,275.92, 4,517.40 and 2,280.72

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Solution

The fourth proportional to 3,275.92, 4,517.40 and 2,280.72 is: 3,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.92 : 4,517.40 = 2,280.72 : x
  2. Step 2: Convert to fraction form
    3,275.92/4,517.40 = 2,280.72/x
  3. Step 3: Cross multiply
    3,275.92x = 4,517.40 × 2,280.72
  4. Step 4: Simplify right side
    3,275.92x = 10,302,924.53
  5. Step 5: Solve for x
    x = 10,302,924.53/3,275.92
  6. Step 6: Final answer
    x = 3,145.05

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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.