Home / 2,236.65-3,086.49-1,340.79

Finding the Fourth Proportional to 2,236.65, 3,086.49 and 1,340.79

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Solution

The fourth proportional to 2,236.65, 3,086.49 and 1,340.79 is: 1,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.65 : 3,086.49 = 1,340.79 : x
  2. Step 2: Convert to fraction form
    2,236.65/3,086.49 = 1,340.79/x
  3. Step 3: Cross multiply
    2,236.65x = 3,086.49 × 1,340.79
  4. Step 4: Simplify right side
    2,236.65x = 4,138,334.93
  5. Step 5: Solve for x
    x = 4,138,334.93/2,236.65
  6. Step 6: Final answer
    x = 1,850.24

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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.