Home / 3,856.18-5,784.39-2,669.05

Finding the Fourth Proportional to 3,856.18, 5,784.39 and 2,669.05

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Solution

The fourth proportional to 3,856.18, 5,784.39 and 2,669.05 is: 4,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.18 : 5,784.39 = 2,669.05 : x
  2. Step 2: Convert to fraction form
    3,856.18/5,784.39 = 2,669.05/x
  3. Step 3: Cross multiply
    3,856.18x = 5,784.39 × 2,669.05
  4. Step 4: Simplify right side
    3,856.18x = 15,438,825.85
  5. Step 5: Solve for x
    x = 15,438,825.85/3,856.18
  6. Step 6: Final answer
    x = 4,003.66

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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.