Home / 2,247.19-3,371.67-842.49

Finding the Fourth Proportional to 2,247.19, 3,371.67 and 842.49

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Solution

The fourth proportional to 2,247.19, 3,371.67 and 842.49 is: 1,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.19 : 3,371.67 = 842.49 : x
  2. Step 2: Convert to fraction form
    2,247.19/3,371.67 = 842.49/x
  3. Step 3: Cross multiply
    2,247.19x = 3,371.67 × 842.49
  4. Step 4: Simplify right side
    2,247.19x = 2,840,598.26
  5. Step 5: Solve for x
    x = 2,840,598.26/2,247.19
  6. Step 6: Final answer
    x = 1,264.07

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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.