Home / 2,956.19-4,079.82-1,894.88

Finding the Fourth Proportional to 2,956.19, 4,079.82 and 1,894.88

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Solution

The fourth proportional to 2,956.19, 4,079.82 and 1,894.88 is: 2,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.19 : 4,079.82 = 1,894.88 : x
  2. Step 2: Convert to fraction form
    2,956.19/4,079.82 = 1,894.88/x
  3. Step 3: Cross multiply
    2,956.19x = 4,079.82 × 1,894.88
  4. Step 4: Simplify right side
    2,956.19x = 7,730,748.92
  5. Step 5: Solve for x
    x = 7,730,748.92/2,956.19
  6. Step 6: Final answer
    x = 2,615.11

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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.