Home / 2,126.44-2,934.48-1,182.20

Finding the Fourth Proportional to 2,126.44, 2,934.48 and 1,182.20

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Solution

The fourth proportional to 2,126.44, 2,934.48 and 1,182.20 is: 1,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.44 : 2,934.48 = 1,182.20 : x
  2. Step 2: Convert to fraction form
    2,126.44/2,934.48 = 1,182.20/x
  3. Step 3: Cross multiply
    2,126.44x = 2,934.48 × 1,182.20
  4. Step 4: Simplify right side
    2,126.44x = 3,469,134.15
  5. Step 5: Solve for x
    x = 3,469,134.15/2,126.44
  6. Step 6: Final answer
    x = 1,631.43

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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.