Home / 3,603-4,972.14-2,205.75

Finding the Fourth Proportional to 3,603, 4,972.14 and 2,205.75

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Solution

The fourth proportional to 3,603, 4,972.14 and 2,205.75 is: 3,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603 : 4,972.14 = 2,205.75 : x
  2. Step 2: Convert to fraction form
    3,603/4,972.14 = 2,205.75/x
  3. Step 3: Cross multiply
    3,603x = 4,972.14 × 2,205.75
  4. Step 4: Simplify right side
    3,603x = 10,967,297.81
  5. Step 5: Solve for x
    x = 10,967,297.81/3,603
  6. Step 6: Final answer
    x = 3,043.94

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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.