Home / 2,388.66-3,296.34-1,340.61

Finding the Fourth Proportional to 2,388.66, 3,296.34 and 1,340.61

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Solution

The fourth proportional to 2,388.66, 3,296.34 and 1,340.61 is: 1,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.66 : 3,296.34 = 1,340.61 : x
  2. Step 2: Convert to fraction form
    2,388.66/3,296.34 = 1,340.61/x
  3. Step 3: Cross multiply
    2,388.66x = 3,296.34 × 1,340.61
  4. Step 4: Simplify right side
    2,388.66x = 4,419,106.37
  5. Step 5: Solve for x
    x = 4,419,106.37/2,388.66
  6. Step 6: Final answer
    x = 1,850.04

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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.