Home / 3,381.57-4,668.69-2,205.99

Finding the Fourth Proportional to 3,381.57, 4,668.69 and 2,205.99

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Solution

The fourth proportional to 3,381.57, 4,668.69 and 2,205.99 is: 3,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.57 : 4,668.69 = 2,205.99 : x
  2. Step 2: Convert to fraction form
    3,381.57/4,668.69 = 2,205.99/x
  3. Step 3: Cross multiply
    3,381.57x = 4,668.69 × 2,205.99
  4. Step 4: Simplify right side
    3,381.57x = 10,299,083.45
  5. Step 5: Solve for x
    x = 10,299,083.45/3,381.57
  6. Step 6: Final answer
    x = 3,045.65

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1.5x scale

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.