Home / 2,850.68-3,932.64-1,671.23

Finding the Fourth Proportional to 2,850.68, 3,932.64 and 1,671.23

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Solution

The fourth proportional to 2,850.68, 3,932.64 and 1,671.23 is: 2,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.68 : 3,932.64 = 1,671.23 : x
  2. Step 2: Convert to fraction form
    2,850.68/3,932.64 = 1,671.23/x
  3. Step 3: Cross multiply
    2,850.68x = 3,932.64 × 1,671.23
  4. Step 4: Simplify right side
    2,850.68x = 6,572,345.95
  5. Step 5: Solve for x
    x = 6,572,345.95/2,850.68
  6. Step 6: Final answer
    x = 2,305.54

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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.