Home / 3,926.02-5,418.21-2,247.95

Finding the Fourth Proportional to 3,926.02, 5,418.21 and 2,247.95

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Solution

The fourth proportional to 3,926.02, 5,418.21 and 2,247.95 is: 3,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.02 : 5,418.21 = 2,247.95 : x
  2. Step 2: Convert to fraction form
    3,926.02/5,418.21 = 2,247.95/x
  3. Step 3: Cross multiply
    3,926.02x = 5,418.21 × 2,247.95
  4. Step 4: Simplify right side
    3,926.02x = 12,179,874.50
  5. Step 5: Solve for x
    x = 12,179,874.50/3,926.02
  6. Step 6: Final answer
    x = 3,102.35

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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.