Home / 2,943.06-4,410.48-2,211.78

Finding the Fourth Proportional to 2,943.06, 4,410.48 and 2,211.78

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Solution

The fourth proportional to 2,943.06, 4,410.48 and 2,211.78 is: 3,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.06 : 4,410.48 = 2,211.78 : x
  2. Step 2: Convert to fraction form
    2,943.06/4,410.48 = 2,211.78/x
  3. Step 3: Cross multiply
    2,943.06x = 4,410.48 × 2,211.78
  4. Step 4: Simplify right side
    2,943.06x = 9,754,983.87
  5. Step 5: Solve for x
    x = 9,754,983.87/2,943.06
  6. Step 6: Final answer
    x = 3,314.58

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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.