Home / 3,144.84-4,339.92-1,966.62

Finding the Fourth Proportional to 3,144.84, 4,339.92 and 1,966.62

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Solution

The fourth proportional to 3,144.84, 4,339.92 and 1,966.62 is: 2,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.84 : 4,339.92 = 1,966.62 : x
  2. Step 2: Convert to fraction form
    3,144.84/4,339.92 = 1,966.62/x
  3. Step 3: Cross multiply
    3,144.84x = 4,339.92 × 1,966.62
  4. Step 4: Simplify right side
    3,144.84x = 8,534,973.47
  5. Step 5: Solve for x
    x = 8,534,973.47/3,144.84
  6. Step 6: Final answer
    x = 2,713.96

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1.5x scale

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.