Home / 2,442.60-3,370.68-1,380.54

Finding the Fourth Proportional to 2,442.60, 3,370.68 and 1,380.54

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Solution

The fourth proportional to 2,442.60, 3,370.68 and 1,380.54 is: 1,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.60 : 3,370.68 = 1,380.54 : x
  2. Step 2: Convert to fraction form
    2,442.60/3,370.68 = 1,380.54/x
  3. Step 3: Cross multiply
    2,442.60x = 3,370.68 × 1,380.54
  4. Step 4: Simplify right side
    2,442.60x = 4,653,358.57
  5. Step 5: Solve for x
    x = 4,653,358.57/2,442.60
  6. Step 6: Final answer
    x = 1,905.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.