Home / 3,387.95-5,078.46-2,292.43

Finding the Fourth Proportional to 3,387.95, 5,078.46 and 2,292.43

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Solution

The fourth proportional to 3,387.95, 5,078.46 and 2,292.43 is: 3,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.95 : 5,078.46 = 2,292.43 : x
  2. Step 2: Convert to fraction form
    3,387.95/5,078.46 = 2,292.43/x
  3. Step 3: Cross multiply
    3,387.95x = 5,078.46 × 2,292.43
  4. Step 4: Simplify right side
    3,387.95x = 11,642,014.06
  5. Step 5: Solve for x
    x = 11,642,014.06/3,387.95
  6. Step 6: Final answer
    x = 3,436.30

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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.