Home / 3,826.92-5,281.02-2,170.92

Finding the Fourth Proportional to 3,826.92, 5,281.02 and 2,170.92

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Solution

The fourth proportional to 3,826.92, 5,281.02 and 2,170.92 is: 2,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.92 : 5,281.02 = 2,170.92 : x
  2. Step 2: Convert to fraction form
    3,826.92/5,281.02 = 2,170.92/x
  3. Step 3: Cross multiply
    3,826.92x = 5,281.02 × 2,170.92
  4. Step 4: Simplify right side
    3,826.92x = 11,464,671.94
  5. Step 5: Solve for x
    x = 11,464,671.94/3,826.92
  6. Step 6: Final answer
    x = 2,995.80

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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.