Home / 2,251.24-3,106.76-1,243.00

Finding the Fourth Proportional to 2,251.24, 3,106.76 and 1,243.00

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Solution

The fourth proportional to 2,251.24, 3,106.76 and 1,243.00 is: 1,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.24 : 3,106.76 = 1,243.00 : x
  2. Step 2: Convert to fraction form
    2,251.24/3,106.76 = 1,243.00/x
  3. Step 3: Cross multiply
    2,251.24x = 3,106.76 × 1,243.00
  4. Step 4: Simplify right side
    2,251.24x = 3,861,682.87
  5. Step 5: Solve for x
    x = 3,861,682.87/2,251.24
  6. Step 6: Final answer
    x = 1,715.36

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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.