Home / 3,799.12-5,700.66-1,720

Finding the Fourth Proportional to 3,799.12, 5,700.66 and 1,720

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Solution

The fourth proportional to 3,799.12, 5,700.66 and 1,720 is: 2,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.12 : 5,700.66 = 1,720 : x
  2. Step 2: Convert to fraction form
    3,799.12/5,700.66 = 1,720/x
  3. Step 3: Cross multiply
    3,799.12x = 5,700.66 × 1,720
  4. Step 4: Simplify right side
    3,799.12x = 9,805,135.20
  5. Step 5: Solve for x
    x = 9,805,135.20/3,799.12
  6. Step 6: Final answer
    x = 2,580.90

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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.