Home / 2,251.46-3,107.07-1,243.23

Finding the Fourth Proportional to 2,251.46, 3,107.07 and 1,243.23

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Solution

The fourth proportional to 2,251.46, 3,107.07 and 1,243.23 is: 1,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.46 : 3,107.07 = 1,243.23 : x
  2. Step 2: Convert to fraction form
    2,251.46/3,107.07 = 1,243.23/x
  3. Step 3: Cross multiply
    2,251.46x = 3,107.07 × 1,243.23
  4. Step 4: Simplify right side
    2,251.46x = 3,862,802.64
  5. Step 5: Solve for x
    x = 3,862,802.64/2,251.46
  6. Step 6: Final answer
    x = 1,715.69

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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.