Home / 2,126.97-2,935.19-1,195.47

Finding the Fourth Proportional to 2,126.97, 2,935.19 and 1,195.47

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Solution

The fourth proportional to 2,126.97, 2,935.19 and 1,195.47 is: 1,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.97 : 2,935.19 = 1,195.47 : x
  2. Step 2: Convert to fraction form
    2,126.97/2,935.19 = 1,195.47/x
  3. Step 3: Cross multiply
    2,126.97x = 2,935.19 × 1,195.47
  4. Step 4: Simplify right side
    2,126.97x = 3,508,934.58
  5. Step 5: Solve for x
    x = 3,508,934.58/2,126.97
  6. Step 6: Final answer
    x = 1,649.73

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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.