Home / 3,778.89-5,660.06-2,679.93

Finding the Fourth Proportional to 3,778.89, 5,660.06 and 2,679.93

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Solution

The fourth proportional to 3,778.89, 5,660.06 and 2,679.93 is: 4,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.89 : 5,660.06 = 2,679.93 : x
  2. Step 2: Convert to fraction form
    3,778.89/5,660.06 = 2,679.93/x
  3. Step 3: Cross multiply
    3,778.89x = 5,660.06 × 2,679.93
  4. Step 4: Simplify right side
    3,778.89x = 15,168,551.20
  5. Step 5: Solve for x
    x = 15,168,551.20/3,778.89
  6. Step 6: Final answer
    x = 4,014.02

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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.