Home / 1,839.26-2,538.76-1,176.12

Finding the Fourth Proportional to 1,839.26, 2,538.76 and 1,176.12

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Solution

The fourth proportional to 1,839.26, 2,538.76 and 1,176.12 is: 1,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.26 : 2,538.76 = 1,176.12 : x
  2. Step 2: Convert to fraction form
    1,839.26/2,538.76 = 1,176.12/x
  3. Step 3: Cross multiply
    1,839.26x = 2,538.76 × 1,176.12
  4. Step 4: Simplify right side
    1,839.26x = 2,985,873.72
  5. Step 5: Solve for x
    x = 2,985,873.72/1,839.26
  6. Step 6: Final answer
    x = 1,623.41

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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.