Home / 3,839.06-5,759.40-2,862.20

Finding the Fourth Proportional to 3,839.06, 5,759.40 and 2,862.20

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Solution

The fourth proportional to 3,839.06, 5,759.40 and 2,862.20 is: 4,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.06 : 5,759.40 = 2,862.20 : x
  2. Step 2: Convert to fraction form
    3,839.06/5,759.40 = 2,862.20/x
  3. Step 3: Cross multiply
    3,839.06x = 5,759.40 × 2,862.20
  4. Step 4: Simplify right side
    3,839.06x = 16,484,554.68
  5. Step 5: Solve for x
    x = 16,484,554.68/3,839.06
  6. Step 6: Final answer
    x = 4,293.90

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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.