Home / 3,764.36-5,193.78-2,438.12

Finding the Fourth Proportional to 3,764.36, 5,193.78 and 2,438.12

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Solution

The fourth proportional to 3,764.36, 5,193.78 and 2,438.12 is: 3,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.36 : 5,193.78 = 2,438.12 : x
  2. Step 2: Convert to fraction form
    3,764.36/5,193.78 = 2,438.12/x
  3. Step 3: Cross multiply
    3,764.36x = 5,193.78 × 2,438.12
  4. Step 4: Simplify right side
    3,764.36x = 12,663,058.89
  5. Step 5: Solve for x
    x = 12,663,058.89/3,764.36
  6. Step 6: Final answer
    x = 3,363.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.