Home / 3,042.32-4,560.20-1,286.92

Finding the Fourth Proportional to 3,042.32, 4,560.20 and 1,286.92

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Solution

The fourth proportional to 3,042.32, 4,560.20 and 1,286.92 is: 1,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.32 : 4,560.20 = 1,286.92 : x
  2. Step 2: Convert to fraction form
    3,042.32/4,560.20 = 1,286.92/x
  3. Step 3: Cross multiply
    3,042.32x = 4,560.20 × 1,286.92
  4. Step 4: Simplify right side
    3,042.32x = 5,868,612.58
  5. Step 5: Solve for x
    x = 5,868,612.58/3,042.32
  6. Step 6: Final answer
    x = 1,928.99

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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.