Home / 3,605.19-4,975.94-2,278.05

Finding the Fourth Proportional to 3,605.19, 4,975.94 and 2,278.05

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Solution

The fourth proportional to 3,605.19, 4,975.94 and 2,278.05 is: 3,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.19 : 4,975.94 = 2,278.05 : x
  2. Step 2: Convert to fraction form
    3,605.19/4,975.94 = 2,278.05/x
  3. Step 3: Cross multiply
    3,605.19x = 4,975.94 × 2,278.05
  4. Step 4: Simplify right side
    3,605.19x = 11,335,428.73
  5. Step 5: Solve for x
    x = 11,335,428.73/3,605.19
  6. Step 6: Final answer
    x = 3,144.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.