Home / 1,956.29-2,933.15-1,079.21

Finding the Fourth Proportional to 1,956.29, 2,933.15 and 1,079.21

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Solution

The fourth proportional to 1,956.29, 2,933.15 and 1,079.21 is: 1,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.29 : 2,933.15 = 1,079.21 : x
  2. Step 2: Convert to fraction form
    1,956.29/2,933.15 = 1,079.21/x
  3. Step 3: Cross multiply
    1,956.29x = 2,933.15 × 1,079.21
  4. Step 4: Simplify right side
    1,956.29x = 3,165,486.75
  5. Step 5: Solve for x
    x = 3,165,486.75/1,956.29
  6. Step 6: Final answer
    x = 1,618.11

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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.