Home / 2,716.12-4,073.70-867.28

Finding the Fourth Proportional to 2,716.12, 4,073.70 and 867.28

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Solution

The fourth proportional to 2,716.12, 4,073.70 and 867.28 is: 1,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.12 : 4,073.70 = 867.28 : x
  2. Step 2: Convert to fraction form
    2,716.12/4,073.70 = 867.28/x
  3. Step 3: Cross multiply
    2,716.12x = 4,073.70 × 867.28
  4. Step 4: Simplify right side
    2,716.12x = 3,533,038.54
  5. Step 5: Solve for x
    x = 3,533,038.54/2,716.12
  6. Step 6: Final answer
    x = 1,300.77

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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.