Home / 3,956.90-5,460.67-2,188.52

Finding the Fourth Proportional to 3,956.90, 5,460.67 and 2,188.52

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Solution

The fourth proportional to 3,956.90, 5,460.67 and 2,188.52 is: 3,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.90 : 5,460.67 = 2,188.52 : x
  2. Step 2: Convert to fraction form
    3,956.90/5,460.67 = 2,188.52/x
  3. Step 3: Cross multiply
    3,956.90x = 5,460.67 × 2,188.52
  4. Step 4: Simplify right side
    3,956.90x = 11,950,769.11
  5. Step 5: Solve for x
    x = 11,950,769.11/3,956.90
  6. Step 6: Final answer
    x = 3,020.23

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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.