Home / 3,297.80-4,948.52-1,981.95

Finding the Fourth Proportional to 3,297.80, 4,948.52 and 1,981.95

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Solution

The fourth proportional to 3,297.80, 4,948.52 and 1,981.95 is: 2,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.80 : 4,948.52 = 1,981.95 : x
  2. Step 2: Convert to fraction form
    3,297.80/4,948.52 = 1,981.95/x
  3. Step 3: Cross multiply
    3,297.80x = 4,948.52 × 1,981.95
  4. Step 4: Simplify right side
    3,297.80x = 9,807,709.30
  5. Step 5: Solve for x
    x = 9,807,709.30/3,297.80
  6. Step 6: Final answer
    x = 2,974.02

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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.