Home / 2,765.97-4,119.30-2,750.19

Finding the Fourth Proportional to 2,765.97, 4,119.30 and 2,750.19

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Solution

The fourth proportional to 2,765.97, 4,119.30 and 2,750.19 is: 4,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.97 : 4,119.30 = 2,750.19 : x
  2. Step 2: Convert to fraction form
    2,765.97/4,119.30 = 2,750.19/x
  3. Step 3: Cross multiply
    2,765.97x = 4,119.30 × 2,750.19
  4. Step 4: Simplify right side
    2,765.97x = 11,328,857.67
  5. Step 5: Solve for x
    x = 11,328,857.67/2,765.97
  6. Step 6: Final answer
    x = 4,095.80

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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.