Home / 2,126.62-2,934.72-1,195.12

Finding the Fourth Proportional to 2,126.62, 2,934.72 and 1,195.12

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Solution

The fourth proportional to 2,126.62, 2,934.72 and 1,195.12 is: 1,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.62 : 2,934.72 = 1,195.12 : x
  2. Step 2: Convert to fraction form
    2,126.62/2,934.72 = 1,195.12/x
  3. Step 3: Cross multiply
    2,126.62x = 2,934.72 × 1,195.12
  4. Step 4: Simplify right side
    2,126.62x = 3,507,342.57
  5. Step 5: Solve for x
    x = 3,507,342.57/2,126.62
  6. Step 6: Final answer
    x = 1,649.26

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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.