Home / 2,573.28-3,860.19-724.38

Finding the Fourth Proportional to 2,573.28, 3,860.19 and 724.38

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Solution

The fourth proportional to 2,573.28, 3,860.19 and 724.38 is: 1,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.28 : 3,860.19 = 724.38 : x
  2. Step 2: Convert to fraction form
    2,573.28/3,860.19 = 724.38/x
  3. Step 3: Cross multiply
    2,573.28x = 3,860.19 × 724.38
  4. Step 4: Simplify right side
    2,573.28x = 2,796,244.43
  5. Step 5: Solve for x
    x = 2,796,244.43/2,573.28
  6. Step 6: Final answer
    x = 1,086.65

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1.5x scale

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.