Home / 1,791.23-2,472.50-1,083.47

Finding the Fourth Proportional to 1,791.23, 2,472.50 and 1,083.47

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Solution

The fourth proportional to 1,791.23, 2,472.50 and 1,083.47 is: 1,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.23 : 2,472.50 = 1,083.47 : x
  2. Step 2: Convert to fraction form
    1,791.23/2,472.50 = 1,083.47/x
  3. Step 3: Cross multiply
    1,791.23x = 2,472.50 × 1,083.47
  4. Step 4: Simplify right side
    1,791.23x = 2,678,869.92
  5. Step 5: Solve for x
    x = 2,678,869.92/1,791.23
  6. Step 6: Final answer
    x = 1,495.55

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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.