Home / 1,232.29-1,839.66-1,189.04

Finding the Fourth Proportional to 1,232.29, 1,839.66 and 1,189.04

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Solution

The fourth proportional to 1,232.29, 1,839.66 and 1,189.04 is: 1,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.29 : 1,839.66 = 1,189.04 : x
  2. Step 2: Convert to fraction form
    1,232.29/1,839.66 = 1,189.04/x
  3. Step 3: Cross multiply
    1,232.29x = 1,839.66 × 1,189.04
  4. Step 4: Simplify right side
    1,232.29x = 2,187,426.40
  5. Step 5: Solve for x
    x = 2,187,426.40/1,232.29
  6. Step 6: Final answer
    x = 1,775.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.