Home / 3,201.78-4,799.43-1,251.30

Finding the Fourth Proportional to 3,201.78, 4,799.43 and 1,251.30

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Solution

The fourth proportional to 3,201.78, 4,799.43 and 1,251.30 is: 1,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.78 : 4,799.43 = 1,251.30 : x
  2. Step 2: Convert to fraction form
    3,201.78/4,799.43 = 1,251.30/x
  3. Step 3: Cross multiply
    3,201.78x = 4,799.43 × 1,251.30
  4. Step 4: Simplify right side
    3,201.78x = 6,005,526.76
  5. Step 5: Solve for x
    x = 6,005,526.76/3,201.78
  6. Step 6: Final answer
    x = 1,875.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.