Home / 3,729.17-5,146.22-2,136.11

Finding the Fourth Proportional to 3,729.17, 5,146.22 and 2,136.11

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Solution

The fourth proportional to 3,729.17, 5,146.22 and 2,136.11 is: 2,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.17 : 5,146.22 = 2,136.11 : x
  2. Step 2: Convert to fraction form
    3,729.17/5,146.22 = 2,136.11/x
  3. Step 3: Cross multiply
    3,729.17x = 5,146.22 × 2,136.11
  4. Step 4: Simplify right side
    3,729.17x = 10,992,871.61
  5. Step 5: Solve for x
    x = 10,992,871.61/3,729.17
  6. Step 6: Final answer
    x = 2,947.80

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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.