Home / 3,077.20-4,245.33-1,896.22

Finding the Fourth Proportional to 3,077.20, 4,245.33 and 1,896.22

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Solution

The fourth proportional to 3,077.20, 4,245.33 and 1,896.22 is: 2,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.20 : 4,245.33 = 1,896.22 : x
  2. Step 2: Convert to fraction form
    3,077.20/4,245.33 = 1,896.22/x
  3. Step 3: Cross multiply
    3,077.20x = 4,245.33 × 1,896.22
  4. Step 4: Simplify right side
    3,077.20x = 8,050,079.65
  5. Step 5: Solve for x
    x = 8,050,079.65/3,077.20
  6. Step 6: Final answer
    x = 2,616.04

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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.