Home / 2,126.55-2,934.41-1,182.18

Finding the Fourth Proportional to 2,126.55, 2,934.41 and 1,182.18

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Solution

The fourth proportional to 2,126.55, 2,934.41 and 1,182.18 is: 1,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.55 : 2,934.41 = 1,182.18 : x
  2. Step 2: Convert to fraction form
    2,126.55/2,934.41 = 1,182.18/x
  3. Step 3: Cross multiply
    2,126.55x = 2,934.41 × 1,182.18
  4. Step 4: Simplify right side
    2,126.55x = 3,469,000.81
  5. Step 5: Solve for x
    x = 3,469,000.81/2,126.55
  6. Step 6: Final answer
    x = 1,631.28

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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.