Home / 3,378.98-5,063.86-2,144.18

Finding the Fourth Proportional to 3,378.98, 5,063.86 and 2,144.18

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Solution

The fourth proportional to 3,378.98, 5,063.86 and 2,144.18 is: 3,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.98 : 5,063.86 = 2,144.18 : x
  2. Step 2: Convert to fraction form
    3,378.98/5,063.86 = 2,144.18/x
  3. Step 3: Cross multiply
    3,378.98x = 5,063.86 × 2,144.18
  4. Step 4: Simplify right side
    3,378.98x = 10,857,827.71
  5. Step 5: Solve for x
    x = 10,857,827.71/3,378.98
  6. Step 6: Final answer
    x = 3,213.34

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1.5x scale

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.