Home / 2,329.14-3,491.52-867.20

Finding the Fourth Proportional to 2,329.14, 3,491.52 and 867.20

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Solution

The fourth proportional to 2,329.14, 3,491.52 and 867.20 is: 1,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.14 : 3,491.52 = 867.20 : x
  2. Step 2: Convert to fraction form
    2,329.14/3,491.52 = 867.20/x
  3. Step 3: Cross multiply
    2,329.14x = 3,491.52 × 867.20
  4. Step 4: Simplify right side
    2,329.14x = 3,027,828.69
  5. Step 5: Solve for x
    x = 3,027,828.69/2,329.14
  6. Step 6: Final answer
    x = 1,299.98

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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.