Home / 1,839.67-2,538.66-1,042.96

Finding the Fourth Proportional to 1,839.67, 2,538.66 and 1,042.96

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Solution

The fourth proportional to 1,839.67, 2,538.66 and 1,042.96 is: 1,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.67 : 2,538.66 = 1,042.96 : x
  2. Step 2: Convert to fraction form
    1,839.67/2,538.66 = 1,042.96/x
  3. Step 3: Cross multiply
    1,839.67x = 2,538.66 × 1,042.96
  4. Step 4: Simplify right side
    1,839.67x = 2,647,720.83
  5. Step 5: Solve for x
    x = 2,647,720.83/1,839.67
  6. Step 6: Final answer
    x = 1,439.24

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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.