Home / 3,370.32-5,044.95-2,139.12

Finding the Fourth Proportional to 3,370.32, 5,044.95 and 2,139.12

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Solution

The fourth proportional to 3,370.32, 5,044.95 and 2,139.12 is: 3,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.32 : 5,044.95 = 2,139.12 : x
  2. Step 2: Convert to fraction form
    3,370.32/5,044.95 = 2,139.12/x
  3. Step 3: Cross multiply
    3,370.32x = 5,044.95 × 2,139.12
  4. Step 4: Simplify right side
    3,370.32x = 10,791,753.44
  5. Step 5: Solve for x
    x = 10,791,753.44/3,370.32
  6. Step 6: Final answer
    x = 3,202.00

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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.