Home / 2,728.73-3,757.91-2,482.70

Finding the Fourth Proportional to 2,728.73, 3,757.91 and 2,482.70

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Solution

The fourth proportional to 2,728.73, 3,757.91 and 2,482.70 is: 3,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.73 : 3,757.91 = 2,482.70 : x
  2. Step 2: Convert to fraction form
    2,728.73/3,757.91 = 2,482.70/x
  3. Step 3: Cross multiply
    2,728.73x = 3,757.91 × 2,482.70
  4. Step 4: Simplify right side
    2,728.73x = 9,329,750.57
  5. Step 5: Solve for x
    x = 9,329,750.57/2,728.73
  6. Step 6: Final answer
    x = 3,419.08

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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.