Home / 3,082.44-4,620.78-1,711.56

Finding the Fourth Proportional to 3,082.44, 4,620.78 and 1,711.56

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Solution

The fourth proportional to 3,082.44, 4,620.78 and 1,711.56 is: 2,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.44 : 4,620.78 = 1,711.56 : x
  2. Step 2: Convert to fraction form
    3,082.44/4,620.78 = 1,711.56/x
  3. Step 3: Cross multiply
    3,082.44x = 4,620.78 × 1,711.56
  4. Step 4: Simplify right side
    3,082.44x = 7,908,742.22
  5. Step 5: Solve for x
    x = 7,908,742.22/3,082.44
  6. Step 6: Final answer
    x = 2,565.74

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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.