Home / 2,388.54-3,296.25-1,340.70

Finding the Fourth Proportional to 2,388.54, 3,296.25 and 1,340.70

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Solution

The fourth proportional to 2,388.54, 3,296.25 and 1,340.70 is: 1,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.54 : 3,296.25 = 1,340.70 : x
  2. Step 2: Convert to fraction form
    2,388.54/3,296.25 = 1,340.70/x
  3. Step 3: Cross multiply
    2,388.54x = 3,296.25 × 1,340.70
  4. Step 4: Simplify right side
    2,388.54x = 4,419,282.38
  5. Step 5: Solve for x
    x = 4,419,282.38/2,388.54
  6. Step 6: Final answer
    x = 1,850.20

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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.