Home / 2,442.68-3,660.54-1,781.60

Finding the Fourth Proportional to 2,442.68, 3,660.54 and 1,781.60

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Solution

The fourth proportional to 2,442.68, 3,660.54 and 1,781.60 is: 2,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.68 : 3,660.54 = 1,781.60 : x
  2. Step 2: Convert to fraction form
    2,442.68/3,660.54 = 1,781.60/x
  3. Step 3: Cross multiply
    2,442.68x = 3,660.54 × 1,781.60
  4. Step 4: Simplify right side
    2,442.68x = 6,521,618.06
  5. Step 5: Solve for x
    x = 6,521,618.06/2,442.68
  6. Step 6: Final answer
    x = 2,669.86

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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.