Home / 3,894.18-5,372.91-2,475.33

Finding the Fourth Proportional to 3,894.18, 5,372.91 and 2,475.33

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Solution

The fourth proportional to 3,894.18, 5,372.91 and 2,475.33 is: 3,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.18 : 5,372.91 = 2,475.33 : x
  2. Step 2: Convert to fraction form
    3,894.18/5,372.91 = 2,475.33/x
  3. Step 3: Cross multiply
    3,894.18x = 5,372.91 × 2,475.33
  4. Step 4: Simplify right side
    3,894.18x = 13,299,725.31
  5. Step 5: Solve for x
    x = 13,299,725.31/3,894.18
  6. Step 6: Final answer
    x = 3,415.28

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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.