Home / 3,225.78-4,844.42-2,641.90

Finding the Fourth Proportional to 3,225.78, 4,844.42 and 2,641.90

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Solution

The fourth proportional to 3,225.78, 4,844.42 and 2,641.90 is: 3,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.78 : 4,844.42 = 2,641.90 : x
  2. Step 2: Convert to fraction form
    3,225.78/4,844.42 = 2,641.90/x
  3. Step 3: Cross multiply
    3,225.78x = 4,844.42 × 2,641.90
  4. Step 4: Simplify right side
    3,225.78x = 12,798,473.20
  5. Step 5: Solve for x
    x = 12,798,473.20/3,225.78
  6. Step 6: Final answer
    x = 3,967.56

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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.