Home / 2,767.23-4,150.85-1,947.11

Finding the Fourth Proportional to 2,767.23, 4,150.85 and 1,947.11

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Solution

The fourth proportional to 2,767.23, 4,150.85 and 1,947.11 is: 2,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.23 : 4,150.85 = 1,947.11 : x
  2. Step 2: Convert to fraction form
    2,767.23/4,150.85 = 1,947.11/x
  3. Step 3: Cross multiply
    2,767.23x = 4,150.85 × 1,947.11
  4. Step 4: Simplify right side
    2,767.23x = 8,082,131.05
  5. Step 5: Solve for x
    x = 8,082,131.05/2,767.23
  6. Step 6: Final answer
    x = 2,920.66

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Similar ratio
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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.