Home / 3,387.42-5,071.21-2,568.92

Finding the Fourth Proportional to 3,387.42, 5,071.21 and 2,568.92

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Solution

The fourth proportional to 3,387.42, 5,071.21 and 2,568.92 is: 3,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.42 : 5,071.21 = 2,568.92 : x
  2. Step 2: Convert to fraction form
    3,387.42/5,071.21 = 2,568.92/x
  3. Step 3: Cross multiply
    3,387.42x = 5,071.21 × 2,568.92
  4. Step 4: Simplify right side
    3,387.42x = 13,027,501.01
  5. Step 5: Solve for x
    x = 13,027,501.01/3,387.42
  6. Step 6: Final answer
    x = 3,845.85

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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.