Home / 3,956.75-5,460.33-2,385.17

Finding the Fourth Proportional to 3,956.75, 5,460.33 and 2,385.17

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Solution

The fourth proportional to 3,956.75, 5,460.33 and 2,385.17 is: 3,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.75 : 5,460.33 = 2,385.17 : x
  2. Step 2: Convert to fraction form
    3,956.75/5,460.33 = 2,385.17/x
  3. Step 3: Cross multiply
    3,956.75x = 5,460.33 × 2,385.17
  4. Step 4: Simplify right side
    3,956.75x = 13,023,815.31
  5. Step 5: Solve for x
    x = 13,023,815.31/3,956.75
  6. Step 6: Final answer
    x = 3,291.54

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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.