Home / 3,729.28-5,146.53-2,050.75

Finding the Fourth Proportional to 3,729.28, 5,146.53 and 2,050.75

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Solution

The fourth proportional to 3,729.28, 5,146.53 and 2,050.75 is: 2,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.28 : 5,146.53 = 2,050.75 : x
  2. Step 2: Convert to fraction form
    3,729.28/5,146.53 = 2,050.75/x
  3. Step 3: Cross multiply
    3,729.28x = 5,146.53 × 2,050.75
  4. Step 4: Simplify right side
    3,729.28x = 10,554,233.53
  5. Step 5: Solve for x
    x = 10,554,233.53/3,729.28
  6. Step 6: Final answer
    x = 2,830.10

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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.