Home / 3,135.36-4,324.82-2,388

Finding the Fourth Proportional to 3,135.36, 4,324.82 and 2,388

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Solution

The fourth proportional to 3,135.36, 4,324.82 and 2,388 is: 3,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.36 : 4,324.82 = 2,388 : x
  2. Step 2: Convert to fraction form
    3,135.36/4,324.82 = 2,388/x
  3. Step 3: Cross multiply
    3,135.36x = 4,324.82 × 2,388
  4. Step 4: Simplify right side
    3,135.36x = 10,327,670.16
  5. Step 5: Solve for x
    x = 10,327,670.16/3,135.36
  6. Step 6: Final answer
    x = 3,293.93

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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.