Home / 3,297.79-4,552.41-1,971.28

Finding the Fourth Proportional to 3,297.79, 4,552.41 and 1,971.28

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Solution

The fourth proportional to 3,297.79, 4,552.41 and 1,971.28 is: 2,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.79 : 4,552.41 = 1,971.28 : x
  2. Step 2: Convert to fraction form
    3,297.79/4,552.41 = 1,971.28/x
  3. Step 3: Cross multiply
    3,297.79x = 4,552.41 × 1,971.28
  4. Step 4: Simplify right side
    3,297.79x = 8,974,074.78
  5. Step 5: Solve for x
    x = 8,974,074.78/3,297.79
  6. Step 6: Final answer
    x = 2,721.24

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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.