Home / 3,956.59-5,460.12-2,188.22

Finding the Fourth Proportional to 3,956.59, 5,460.12 and 2,188.22

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Solution

The fourth proportional to 3,956.59, 5,460.12 and 2,188.22 is: 3,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.59 : 5,460.12 = 2,188.22 : x
  2. Step 2: Convert to fraction form
    3,956.59/5,460.12 = 2,188.22/x
  3. Step 3: Cross multiply
    3,956.59x = 5,460.12 × 2,188.22
  4. Step 4: Simplify right side
    3,956.59x = 11,947,943.79
  5. Step 5: Solve for x
    x = 11,947,943.79/3,956.59
  6. Step 6: Final answer
    x = 3,019.76

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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.