Home / 3,251.50-4,849.85-2,725.40

Finding the Fourth Proportional to 3,251.50, 4,849.85 and 2,725.40

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Solution

The fourth proportional to 3,251.50, 4,849.85 and 2,725.40 is: 4,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.50 : 4,849.85 = 2,725.40 : x
  2. Step 2: Convert to fraction form
    3,251.50/4,849.85 = 2,725.40/x
  3. Step 3: Cross multiply
    3,251.50x = 4,849.85 × 2,725.40
  4. Step 4: Simplify right side
    3,251.50x = 13,217,800.13
  5. Step 5: Solve for x
    x = 13,217,800.13/3,251.50
  6. Step 6: Final answer
    x = 4,065.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.