Home / 1,694.28-2,337.17-1,190.90

Finding the Fourth Proportional to 1,694.28, 2,337.17 and 1,190.90

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Solution

The fourth proportional to 1,694.28, 2,337.17 and 1,190.90 is: 1,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.28 : 2,337.17 = 1,190.90 : x
  2. Step 2: Convert to fraction form
    1,694.28/2,337.17 = 1,190.90/x
  3. Step 3: Cross multiply
    1,694.28x = 2,337.17 × 1,190.90
  4. Step 4: Simplify right side
    1,694.28x = 2,783,335.64
  5. Step 5: Solve for x
    x = 2,783,335.64/1,694.28
  6. Step 6: Final answer
    x = 1,642.79

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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.