Home / 3,325.46-4,589.66-1,981.13

Finding the Fourth Proportional to 3,325.46, 4,589.66 and 1,981.13

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Solution

The fourth proportional to 3,325.46, 4,589.66 and 1,981.13 is: 2,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.46 : 4,589.66 = 1,981.13 : x
  2. Step 2: Convert to fraction form
    3,325.46/4,589.66 = 1,981.13/x
  3. Step 3: Cross multiply
    3,325.46x = 4,589.66 × 1,981.13
  4. Step 4: Simplify right side
    3,325.46x = 9,092,695.12
  5. Step 5: Solve for x
    x = 9,092,695.12/3,325.46
  6. Step 6: Final answer
    x = 2,734.27

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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.