Home / 3,440.43-5,163.66-1,775.70

Finding the Fourth Proportional to 3,440.43, 5,163.66 and 1,775.70

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Solution

The fourth proportional to 3,440.43, 5,163.66 and 1,775.70 is: 2,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.43 : 5,163.66 = 1,775.70 : x
  2. Step 2: Convert to fraction form
    3,440.43/5,163.66 = 1,775.70/x
  3. Step 3: Cross multiply
    3,440.43x = 5,163.66 × 1,775.70
  4. Step 4: Simplify right side
    3,440.43x = 9,169,111.06
  5. Step 5: Solve for x
    x = 9,169,111.06/3,440.43
  6. Step 6: Final answer
    x = 2,665.11

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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.