Home / 2,723.19-4,084.18-1,079.30

Finding the Fourth Proportional to 2,723.19, 4,084.18 and 1,079.30

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Solution

The fourth proportional to 2,723.19, 4,084.18 and 1,079.30 is: 1,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.19 : 4,084.18 = 1,079.30 : x
  2. Step 2: Convert to fraction form
    2,723.19/4,084.18 = 1,079.30/x
  3. Step 3: Cross multiply
    2,723.19x = 4,084.18 × 1,079.30
  4. Step 4: Simplify right side
    2,723.19x = 4,408,032.35
  5. Step 5: Solve for x
    x = 4,408,032.35/2,723.19
  6. Step 6: Final answer
    x = 1,618.70

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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.