Home / 3,100.36-4,279.62-2,052.76

Finding the Fourth Proportional to 3,100.36, 4,279.62 and 2,052.76

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Solution

The fourth proportional to 3,100.36, 4,279.62 and 2,052.76 is: 2,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.36 : 4,279.62 = 2,052.76 : x
  2. Step 2: Convert to fraction form
    3,100.36/4,279.62 = 2,052.76/x
  3. Step 3: Cross multiply
    3,100.36x = 4,279.62 × 2,052.76
  4. Step 4: Simplify right side
    3,100.36x = 8,785,032.75
  5. Step 5: Solve for x
    x = 8,785,032.75/3,100.36
  6. Step 6: Final answer
    x = 2,833.55

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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.