Home / 2,722.34-4,083.96-943.30

Finding the Fourth Proportional to 2,722.34, 4,083.96 and 943.30

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Solution

The fourth proportional to 2,722.34, 4,083.96 and 943.30 is: 1,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.34 : 4,083.96 = 943.30 : x
  2. Step 2: Convert to fraction form
    2,722.34/4,083.96 = 943.30/x
  3. Step 3: Cross multiply
    2,722.34x = 4,083.96 × 943.30
  4. Step 4: Simplify right side
    2,722.34x = 3,852,399.47
  5. Step 5: Solve for x
    x = 3,852,399.47/2,722.34
  6. Step 6: Final answer
    x = 1,415.11

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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.