Home / 2,126.53-2,934.51-1,182.38

Finding the Fourth Proportional to 2,126.53, 2,934.51 and 1,182.38

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Solution

The fourth proportional to 2,126.53, 2,934.51 and 1,182.38 is: 1,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.53 : 2,934.51 = 1,182.38 : x
  2. Step 2: Convert to fraction form
    2,126.53/2,934.51 = 1,182.38/x
  3. Step 3: Cross multiply
    2,126.53x = 2,934.51 × 1,182.38
  4. Step 4: Simplify right side
    2,126.53x = 3,469,705.93
  5. Step 5: Solve for x
    x = 3,469,705.93/2,126.53
  6. Step 6: Final answer
    x = 1,631.63

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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.