Home / 3,366.60-4,648.20-2,108.17

Finding the Fourth Proportional to 3,366.60, 4,648.20 and 2,108.17

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Solution

The fourth proportional to 3,366.60, 4,648.20 and 2,108.17 is: 2,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.60 : 4,648.20 = 2,108.17 : x
  2. Step 2: Convert to fraction form
    3,366.60/4,648.20 = 2,108.17/x
  3. Step 3: Cross multiply
    3,366.60x = 4,648.20 × 2,108.17
  4. Step 4: Simplify right side
    3,366.60x = 9,799,195.79
  5. Step 5: Solve for x
    x = 9,799,195.79/3,366.60
  6. Step 6: Final answer
    x = 2,910.71

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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.