Home / 3,707.49-5,116.60-2,381.61

Finding the Fourth Proportional to 3,707.49, 5,116.60 and 2,381.61

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Solution

The fourth proportional to 3,707.49, 5,116.60 and 2,381.61 is: 3,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.49 : 5,116.60 = 2,381.61 : x
  2. Step 2: Convert to fraction form
    3,707.49/5,116.60 = 2,381.61/x
  3. Step 3: Cross multiply
    3,707.49x = 5,116.60 × 2,381.61
  4. Step 4: Simplify right side
    3,707.49x = 12,185,745.73
  5. Step 5: Solve for x
    x = 12,185,745.73/3,707.49
  6. Step 6: Final answer
    x = 3,286.79

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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.