Home / 2,240.94-3,091.19-1,455.51

Finding the Fourth Proportional to 2,240.94, 3,091.19 and 1,455.51

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Solution

The fourth proportional to 2,240.94, 3,091.19 and 1,455.51 is: 2,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.94 : 3,091.19 = 1,455.51 : x
  2. Step 2: Convert to fraction form
    2,240.94/3,091.19 = 1,455.51/x
  3. Step 3: Cross multiply
    2,240.94x = 3,091.19 × 1,455.51
  4. Step 4: Simplify right side
    2,240.94x = 4,499,250.68
  5. Step 5: Solve for x
    x = 4,499,250.68/2,240.94
  6. Step 6: Final answer
    x = 2,007.75

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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.