Home / 3,480.98-5,213.57-1,839.51

Finding the Fourth Proportional to 3,480.98, 5,213.57 and 1,839.51

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Solution

The fourth proportional to 3,480.98, 5,213.57 and 1,839.51 is: 2,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.98 : 5,213.57 = 1,839.51 : x
  2. Step 2: Convert to fraction form
    3,480.98/5,213.57 = 1,839.51/x
  3. Step 3: Cross multiply
    3,480.98x = 5,213.57 × 1,839.51
  4. Step 4: Simplify right side
    3,480.98x = 9,590,404.95
  5. Step 5: Solve for x
    x = 9,590,404.95/3,480.98
  6. Step 6: Final answer
    x = 2,755.09

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1.5x scale

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.