Home / 3,319.11-4,998.42-2,891.43

Finding the Fourth Proportional to 3,319.11, 4,998.42 and 2,891.43

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Solution

The fourth proportional to 3,319.11, 4,998.42 and 2,891.43 is: 4,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.11 : 4,998.42 = 2,891.43 : x
  2. Step 2: Convert to fraction form
    3,319.11/4,998.42 = 2,891.43/x
  3. Step 3: Cross multiply
    3,319.11x = 4,998.42 × 2,891.43
  4. Step 4: Simplify right side
    3,319.11x = 14,452,581.54
  5. Step 5: Solve for x
    x = 14,452,581.54/3,319.11
  6. Step 6: Final answer
    x = 4,354.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.