Home / 3,392.73-4,685.18-2,216.61

Finding the Fourth Proportional to 3,392.73, 4,685.18 and 2,216.61

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Solution

The fourth proportional to 3,392.73, 4,685.18 and 2,216.61 is: 3,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.73 : 4,685.18 = 2,216.61 : x
  2. Step 2: Convert to fraction form
    3,392.73/4,685.18 = 2,216.61/x
  3. Step 3: Cross multiply
    3,392.73x = 4,685.18 × 2,216.61
  4. Step 4: Simplify right side
    3,392.73x = 10,385,205.76
  5. Step 5: Solve for x
    x = 10,385,205.76/3,392.73
  6. Step 6: Final answer
    x = 3,061.02

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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.