Home / 2,981.94-4,472.91-1,338.18

Finding the Fourth Proportional to 2,981.94, 4,472.91 and 1,338.18

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Solution

The fourth proportional to 2,981.94, 4,472.91 and 1,338.18 is: 2,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.94 : 4,472.91 = 1,338.18 : x
  2. Step 2: Convert to fraction form
    2,981.94/4,472.91 = 1,338.18/x
  3. Step 3: Cross multiply
    2,981.94x = 4,472.91 × 1,338.18
  4. Step 4: Simplify right side
    2,981.94x = 5,985,558.70
  5. Step 5: Solve for x
    x = 5,985,558.70/2,981.94
  6. Step 6: Final answer
    x = 2,007.27

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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.