Home / 1,791.35-2,472.84-1,045.02

Finding the Fourth Proportional to 1,791.35, 2,472.84 and 1,045.02

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Solution

The fourth proportional to 1,791.35, 2,472.84 and 1,045.02 is: 1,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.35 : 2,472.84 = 1,045.02 : x
  2. Step 2: Convert to fraction form
    1,791.35/2,472.84 = 1,045.02/x
  3. Step 3: Cross multiply
    1,791.35x = 2,472.84 × 1,045.02
  4. Step 4: Simplify right side
    1,791.35x = 2,584,167.26
  5. Step 5: Solve for x
    x = 2,584,167.26/1,791.35
  6. Step 6: Final answer
    x = 1,442.58

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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.