Home / 4,306.78-5,943.48-2,539.90

Finding the Fourth Proportional to 4,306.78, 5,943.48 and 2,539.90

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Solution

The fourth proportional to 4,306.78, 5,943.48 and 2,539.90 is: 3,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.78 : 5,943.48 = 2,539.90 : x
  2. Step 2: Convert to fraction form
    4,306.78/5,943.48 = 2,539.90/x
  3. Step 3: Cross multiply
    4,306.78x = 5,943.48 × 2,539.90
  4. Step 4: Simplify right side
    4,306.78x = 15,095,844.85
  5. Step 5: Solve for x
    x = 15,095,844.85/4,306.78
  6. Step 6: Final answer
    x = 3,505.13

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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.