Home / 2,765.96-3,817.66-1,882.12

Finding the Fourth Proportional to 2,765.96, 3,817.66 and 1,882.12

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Solution

The fourth proportional to 2,765.96, 3,817.66 and 1,882.12 is: 2,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.96 : 3,817.66 = 1,882.12 : x
  2. Step 2: Convert to fraction form
    2,765.96/3,817.66 = 1,882.12/x
  3. Step 3: Cross multiply
    2,765.96x = 3,817.66 × 1,882.12
  4. Step 4: Simplify right side
    2,765.96x = 7,185,294.24
  5. Step 5: Solve for x
    x = 7,185,294.24/2,765.96
  6. Step 6: Final answer
    x = 2,597.76

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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.