Home / 2,799.72-4,199.64-2,223

Finding the Fourth Proportional to 2,799.72, 4,199.64 and 2,223

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Solution

The fourth proportional to 2,799.72, 4,199.64 and 2,223 is: 3,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.72 : 4,199.64 = 2,223 : x
  2. Step 2: Convert to fraction form
    2,799.72/4,199.64 = 2,223/x
  3. Step 3: Cross multiply
    2,799.72x = 4,199.64 × 2,223
  4. Step 4: Simplify right side
    2,799.72x = 9,335,799.72
  5. Step 5: Solve for x
    x = 9,335,799.72/2,799.72
  6. Step 6: Final answer
    x = 3,334.55

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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.