Home / 3,687.11-5,084.39-2,847.95

Finding the Fourth Proportional to 3,687.11, 5,084.39 and 2,847.95

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Solution

The fourth proportional to 3,687.11, 5,084.39 and 2,847.95 is: 3,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.11 : 5,084.39 = 2,847.95 : x
  2. Step 2: Convert to fraction form
    3,687.11/5,084.39 = 2,847.95/x
  3. Step 3: Cross multiply
    3,687.11x = 5,084.39 × 2,847.95
  4. Step 4: Simplify right side
    3,687.11x = 14,480,048.84
  5. Step 5: Solve for x
    x = 14,480,048.84/3,687.11
  6. Step 6: Final answer
    x = 3,927.21

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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.