Home / 3,867.07-5,799.15-1,401.28

Finding the Fourth Proportional to 3,867.07, 5,799.15 and 1,401.28

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Solution

The fourth proportional to 3,867.07, 5,799.15 and 1,401.28 is: 2,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.07 : 5,799.15 = 1,401.28 : x
  2. Step 2: Convert to fraction form
    3,867.07/5,799.15 = 1,401.28/x
  3. Step 3: Cross multiply
    3,867.07x = 5,799.15 × 1,401.28
  4. Step 4: Simplify right side
    3,867.07x = 8,126,232.91
  5. Step 5: Solve for x
    x = 8,126,232.91/3,867.07
  6. Step 6: Final answer
    x = 2,101.39

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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.