Home / 2,388.64-3,296.26-1,340.70

Finding the Fourth Proportional to 2,388.64, 3,296.26 and 1,340.70

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Solution

The fourth proportional to 2,388.64, 3,296.26 and 1,340.70 is: 1,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.64 : 3,296.26 = 1,340.70 : x
  2. Step 2: Convert to fraction form
    2,388.64/3,296.26 = 1,340.70/x
  3. Step 3: Cross multiply
    2,388.64x = 3,296.26 × 1,340.70
  4. Step 4: Simplify right side
    2,388.64x = 4,419,295.78
  5. Step 5: Solve for x
    x = 4,419,295.78/2,388.64
  6. Step 6: Final answer
    x = 1,850.13

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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.