Home / 3,881.32-5,814.40-3,102.96

Finding the Fourth Proportional to 3,881.32, 5,814.40 and 3,102.96

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Solution

The fourth proportional to 3,881.32, 5,814.40 and 3,102.96 is: 4,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.32 : 5,814.40 = 3,102.96 : x
  2. Step 2: Convert to fraction form
    3,881.32/5,814.40 = 3,102.96/x
  3. Step 3: Cross multiply
    3,881.32x = 5,814.40 × 3,102.96
  4. Step 4: Simplify right side
    3,881.32x = 18,041,850.62
  5. Step 5: Solve for x
    x = 18,041,850.62/3,881.32
  6. Step 6: Final answer
    x = 4,648.38

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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.