Home / 2,388.64-3,296.37-1,340.77

Finding the Fourth Proportional to 2,388.64, 3,296.37 and 1,340.77

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Solution

The fourth proportional to 2,388.64, 3,296.37 and 1,340.77 is: 1,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.64 : 3,296.37 = 1,340.77 : x
  2. Step 2: Convert to fraction form
    2,388.64/3,296.37 = 1,340.77/x
  3. Step 3: Cross multiply
    2,388.64x = 3,296.37 × 1,340.77
  4. Step 4: Simplify right side
    2,388.64x = 4,419,674.00
  5. Step 5: Solve for x
    x = 4,419,674.00/2,388.64
  6. Step 6: Final answer
    x = 1,850.29

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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.