Home / 2,442.30-3,661.10-1,815.97

Finding the Fourth Proportional to 2,442.30, 3,661.10 and 1,815.97

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Solution

The fourth proportional to 2,442.30, 3,661.10 and 1,815.97 is: 2,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.30 : 3,661.10 = 1,815.97 : x
  2. Step 2: Convert to fraction form
    2,442.30/3,661.10 = 1,815.97/x
  3. Step 3: Cross multiply
    2,442.30x = 3,661.10 × 1,815.97
  4. Step 4: Simplify right side
    2,442.30x = 6,648,443.21
  5. Step 5: Solve for x
    x = 6,648,443.21/2,442.30
  6. Step 6: Final answer
    x = 2,722.20

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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.