Home / 2,722.77-4,082.40-1,162.35

Finding the Fourth Proportional to 2,722.77, 4,082.40 and 1,162.35

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Solution

The fourth proportional to 2,722.77, 4,082.40 and 1,162.35 is: 1,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.77 : 4,082.40 = 1,162.35 : x
  2. Step 2: Convert to fraction form
    2,722.77/4,082.40 = 1,162.35/x
  3. Step 3: Cross multiply
    2,722.77x = 4,082.40 × 1,162.35
  4. Step 4: Simplify right side
    2,722.77x = 4,745,177.64
  5. Step 5: Solve for x
    x = 4,745,177.64/2,722.77
  6. Step 6: Final answer
    x = 1,742.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.