Home / 2,126.33-2,934.31-1,182.11

Finding the Fourth Proportional to 2,126.33, 2,934.31 and 1,182.11

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Solution

The fourth proportional to 2,126.33, 2,934.31 and 1,182.11 is: 1,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.33 : 2,934.31 = 1,182.11 : x
  2. Step 2: Convert to fraction form
    2,126.33/2,934.31 = 1,182.11/x
  3. Step 3: Cross multiply
    2,126.33x = 2,934.31 × 1,182.11
  4. Step 4: Simplify right side
    2,126.33x = 3,468,671.28
  5. Step 5: Solve for x
    x = 3,468,671.28/2,126.33
  6. Step 6: Final answer
    x = 1,631.30

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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.