Home / 2,247.23-3,371.39-860.54

Finding the Fourth Proportional to 2,247.23, 3,371.39 and 860.54

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Solution

The fourth proportional to 2,247.23, 3,371.39 and 860.54 is: 1,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.23 : 3,371.39 = 860.54 : x
  2. Step 2: Convert to fraction form
    2,247.23/3,371.39 = 860.54/x
  3. Step 3: Cross multiply
    2,247.23x = 3,371.39 × 860.54
  4. Step 4: Simplify right side
    2,247.23x = 2,901,194.79
  5. Step 5: Solve for x
    x = 2,901,194.79/2,247.23
  6. Step 6: Final answer
    x = 1,291.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.