Home / 3,956.57-5,460.18-2,188.34

Finding the Fourth Proportional to 3,956.57, 5,460.18 and 2,188.34

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Solution

The fourth proportional to 3,956.57, 5,460.18 and 2,188.34 is: 3,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.57 : 5,460.18 = 2,188.34 : x
  2. Step 2: Convert to fraction form
    3,956.57/5,460.18 = 2,188.34/x
  3. Step 3: Cross multiply
    3,956.57x = 5,460.18 × 2,188.34
  4. Step 4: Simplify right side
    3,956.57x = 11,948,730.30
  5. Step 5: Solve for x
    x = 11,948,730.30/3,956.57
  6. Step 6: Final answer
    x = 3,019.97

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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.