Home / 2,705.04-4,067.22-2,491.20

Finding the Fourth Proportional to 2,705.04, 4,067.22 and 2,491.20

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Solution

The fourth proportional to 2,705.04, 4,067.22 and 2,491.20 is: 3,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.04 : 4,067.22 = 2,491.20 : x
  2. Step 2: Convert to fraction form
    2,705.04/4,067.22 = 2,491.20/x
  3. Step 3: Cross multiply
    2,705.04x = 4,067.22 × 2,491.20
  4. Step 4: Simplify right side
    2,705.04x = 10,132,258.46
  5. Step 5: Solve for x
    x = 10,132,258.46/2,705.04
  6. Step 6: Final answer
    x = 3,745.70

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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.