Home / 2,956.74-4,422.78-2,079.18

Finding the Fourth Proportional to 2,956.74, 4,422.78 and 2,079.18

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Solution

The fourth proportional to 2,956.74, 4,422.78 and 2,079.18 is: 3,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.74 : 4,422.78 = 2,079.18 : x
  2. Step 2: Convert to fraction form
    2,956.74/4,422.78 = 2,079.18/x
  3. Step 3: Cross multiply
    2,956.74x = 4,422.78 × 2,079.18
  4. Step 4: Simplify right side
    2,956.74x = 9,195,755.72
  5. Step 5: Solve for x
    x = 9,195,755.72/2,956.74
  6. Step 6: Final answer
    x = 3,110.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.