Home / 3,926.88-5,862.20-3,790.08

Finding the Fourth Proportional to 3,926.88, 5,862.20 and 3,790.08

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Solution

The fourth proportional to 3,926.88, 5,862.20 and 3,790.08 is: 5,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.88 : 5,862.20 = 3,790.08 : x
  2. Step 2: Convert to fraction form
    3,926.88/5,862.20 = 3,790.08/x
  3. Step 3: Cross multiply
    3,926.88x = 5,862.20 × 3,790.08
  4. Step 4: Simplify right side
    3,926.88x = 22,218,206.98
  5. Step 5: Solve for x
    x = 22,218,206.98/3,926.88
  6. Step 6: Final answer
    x = 5,657.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.