Home / 1,934.43-2,669.66-1,178.11

Finding the Fourth Proportional to 1,934.43, 2,669.66 and 1,178.11

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Solution

The fourth proportional to 1,934.43, 2,669.66 and 1,178.11 is: 1,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.43 : 2,669.66 = 1,178.11 : x
  2. Step 2: Convert to fraction form
    1,934.43/2,669.66 = 1,178.11/x
  3. Step 3: Cross multiply
    1,934.43x = 2,669.66 × 1,178.11
  4. Step 4: Simplify right side
    1,934.43x = 3,145,153.14
  5. Step 5: Solve for x
    x = 3,145,153.14/1,934.43
  6. Step 6: Final answer
    x = 1,625.88

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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.