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Finding the Fourth Proportional to 3,860.07, 5,790.11 and 2,710.95

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Solution

The fourth proportional to 3,860.07, 5,790.11 and 2,710.95 is: 4,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.07 : 5,790.11 = 2,710.95 : x
  2. Step 2: Convert to fraction form
    3,860.07/5,790.11 = 2,710.95/x
  3. Step 3: Cross multiply
    3,860.07x = 5,790.11 × 2,710.95
  4. Step 4: Simplify right side
    3,860.07x = 15,696,685.15
  5. Step 5: Solve for x
    x = 15,696,685.15/3,860.07
  6. Step 6: Final answer
    x = 4,066.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.