Home / 2,850.85-3,932.70-1,671.13

Finding the Fourth Proportional to 2,850.85, 3,932.70 and 1,671.13

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Solution

The fourth proportional to 2,850.85, 3,932.70 and 1,671.13 is: 2,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.85 : 3,932.70 = 1,671.13 : x
  2. Step 2: Convert to fraction form
    2,850.85/3,932.70 = 1,671.13/x
  3. Step 3: Cross multiply
    2,850.85x = 3,932.70 × 1,671.13
  4. Step 4: Simplify right side
    2,850.85x = 6,572,033.29
  5. Step 5: Solve for x
    x = 6,572,033.29/2,850.85
  6. Step 6: Final answer
    x = 2,305.29

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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.