Home / 2,853.66-3,937.93-1,791.98

Finding the Fourth Proportional to 2,853.66, 3,937.93 and 1,791.98

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Solution

The fourth proportional to 2,853.66, 3,937.93 and 1,791.98 is: 2,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.66 : 3,937.93 = 1,791.98 : x
  2. Step 2: Convert to fraction form
    2,853.66/3,937.93 = 1,791.98/x
  3. Step 3: Cross multiply
    2,853.66x = 3,937.93 × 1,791.98
  4. Step 4: Simplify right side
    2,853.66x = 7,056,691.80
  5. Step 5: Solve for x
    x = 7,056,691.80/2,853.66
  6. Step 6: Final answer
    x = 2,472.86

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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.