Home / 3,729.24-5,146.49-2,136.14

Finding the Fourth Proportional to 3,729.24, 5,146.49 and 2,136.14

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Solution

The fourth proportional to 3,729.24, 5,146.49 and 2,136.14 is: 2,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.24 : 5,146.49 = 2,136.14 : x
  2. Step 2: Convert to fraction form
    3,729.24/5,146.49 = 2,136.14/x
  3. Step 3: Cross multiply
    3,729.24x = 5,146.49 × 2,136.14
  4. Step 4: Simplify right side
    3,729.24x = 10,993,586.74
  5. Step 5: Solve for x
    x = 10,993,586.74/3,729.24
  6. Step 6: Final answer
    x = 2,947.94

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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.