Home / 3,261.43-4,894.17-1,412.56

Finding the Fourth Proportional to 3,261.43, 4,894.17 and 1,412.56

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Solution

The fourth proportional to 3,261.43, 4,894.17 and 1,412.56 is: 2,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.43 : 4,894.17 = 1,412.56 : x
  2. Step 2: Convert to fraction form
    3,261.43/4,894.17 = 1,412.56/x
  3. Step 3: Cross multiply
    3,261.43x = 4,894.17 × 1,412.56
  4. Step 4: Simplify right side
    3,261.43x = 6,913,308.78
  5. Step 5: Solve for x
    x = 6,913,308.78/3,261.43
  6. Step 6: Final answer
    x = 2,119.72

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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.