Home / 3,439.95-4,748.19-2,042.43

Finding the Fourth Proportional to 3,439.95, 4,748.19 and 2,042.43

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Solution

The fourth proportional to 3,439.95, 4,748.19 and 2,042.43 is: 2,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.95 : 4,748.19 = 2,042.43 : x
  2. Step 2: Convert to fraction form
    3,439.95/4,748.19 = 2,042.43/x
  3. Step 3: Cross multiply
    3,439.95x = 4,748.19 × 2,042.43
  4. Step 4: Simplify right side
    3,439.95x = 9,697,845.70
  5. Step 5: Solve for x
    x = 9,697,845.70/3,439.95
  6. Step 6: Final answer
    x = 2,819.18

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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.