Home / 3,956.96-5,460.39-2,188.46

Finding the Fourth Proportional to 3,956.96, 5,460.39 and 2,188.46

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Solution

The fourth proportional to 3,956.96, 5,460.39 and 2,188.46 is: 3,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.96 : 5,460.39 = 2,188.46 : x
  2. Step 2: Convert to fraction form
    3,956.96/5,460.39 = 2,188.46/x
  3. Step 3: Cross multiply
    3,956.96x = 5,460.39 × 2,188.46
  4. Step 4: Simplify right side
    3,956.96x = 11,949,845.10
  5. Step 5: Solve for x
    x = 11,949,845.10/3,956.96
  6. Step 6: Final answer
    x = 3,019.96

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1.5x scale

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.