Home / 2,442.80-3,371.04-1,380.54

Finding the Fourth Proportional to 2,442.80, 3,371.04 and 1,380.54

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Solution

The fourth proportional to 2,442.80, 3,371.04 and 1,380.54 is: 1,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.80 : 3,371.04 = 1,380.54 : x
  2. Step 2: Convert to fraction form
    2,442.80/3,371.04 = 1,380.54/x
  3. Step 3: Cross multiply
    2,442.80x = 3,371.04 × 1,380.54
  4. Step 4: Simplify right side
    2,442.80x = 4,653,867.72
  5. Step 5: Solve for x
    x = 4,653,867.72/2,442.80
  6. Step 6: Final answer
    x = 1,905.14

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1.5x scale

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.