Home / 3,100.61-4,279.97-2,053.01

Finding the Fourth Proportional to 3,100.61, 4,279.97 and 2,053.01

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Solution

The fourth proportional to 3,100.61, 4,279.97 and 2,053.01 is: 2,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.61 : 4,279.97 = 2,053.01 : x
  2. Step 2: Convert to fraction form
    3,100.61/4,279.97 = 2,053.01/x
  3. Step 3: Cross multiply
    3,100.61x = 4,279.97 × 2,053.01
  4. Step 4: Simplify right side
    3,100.61x = 8,786,810.94
  5. Step 5: Solve for x
    x = 8,786,810.94/3,100.61
  6. Step 6: Final answer
    x = 2,833.90

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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.