Home / 3,912.48-5,398.08-2,496.96

Finding the Fourth Proportional to 3,912.48, 5,398.08 and 2,496.96

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Solution

The fourth proportional to 3,912.48, 5,398.08 and 2,496.96 is: 3,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.48 : 5,398.08 = 2,496.96 : x
  2. Step 2: Convert to fraction form
    3,912.48/5,398.08 = 2,496.96/x
  3. Step 3: Cross multiply
    3,912.48x = 5,398.08 × 2,496.96
  4. Step 4: Simplify right side
    3,912.48x = 13,478,789.84
  5. Step 5: Solve for x
    x = 13,478,789.84/3,912.48
  6. Step 6: Final answer
    x = 3,445.08

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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.