Home / 2,982.50-4,473.75-1,251.13

Finding the Fourth Proportional to 2,982.50, 4,473.75 and 1,251.13

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Solution

The fourth proportional to 2,982.50, 4,473.75 and 1,251.13 is: 1,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.50 : 4,473.75 = 1,251.13 : x
  2. Step 2: Convert to fraction form
    2,982.50/4,473.75 = 1,251.13/x
  3. Step 3: Cross multiply
    2,982.50x = 4,473.75 × 1,251.13
  4. Step 4: Simplify right side
    2,982.50x = 5,597,242.84
  5. Step 5: Solve for x
    x = 5,597,242.84/2,982.50
  6. Step 6: Final answer
    x = 1,876.70

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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.