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Finding the Fourth Proportional to 1,791.98, 2,472.86 and 995.29

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Solution

The fourth proportional to 1,791.98, 2,472.86 and 995.29 is: 1,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.98 : 2,472.86 = 995.29 : x
  2. Step 2: Convert to fraction form
    1,791.98/2,472.86 = 995.29/x
  3. Step 3: Cross multiply
    1,791.98x = 2,472.86 × 995.29
  4. Step 4: Simplify right side
    1,791.98x = 2,461,209.14
  5. Step 5: Solve for x
    x = 2,461,209.14/1,791.98
  6. Step 6: Final answer
    x = 1,373.46

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1.5x scale

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.