Home / 3,799.47-5,243.22-2,679.24

Finding the Fourth Proportional to 3,799.47, 5,243.22 and 2,679.24

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Solution

The fourth proportional to 3,799.47, 5,243.22 and 2,679.24 is: 3,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.47 : 5,243.22 = 2,679.24 : x
  2. Step 2: Convert to fraction form
    3,799.47/5,243.22 = 2,679.24/x
  3. Step 3: Cross multiply
    3,799.47x = 5,243.22 × 2,679.24
  4. Step 4: Simplify right side
    3,799.47x = 14,047,844.75
  5. Step 5: Solve for x
    x = 14,047,844.75/3,799.47
  6. Step 6: Final answer
    x = 3,697.32

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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.