Home / 3,079.58-4,620.42-1,691.15

Finding the Fourth Proportional to 3,079.58, 4,620.42 and 1,691.15

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Solution

The fourth proportional to 3,079.58, 4,620.42 and 1,691.15 is: 2,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.58 : 4,620.42 = 1,691.15 : x
  2. Step 2: Convert to fraction form
    3,079.58/4,620.42 = 1,691.15/x
  3. Step 3: Cross multiply
    3,079.58x = 4,620.42 × 1,691.15
  4. Step 4: Simplify right side
    3,079.58x = 7,813,800.18
  5. Step 5: Solve for x
    x = 7,813,800.18/3,079.58
  6. Step 6: Final answer
    x = 2,537.30

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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.