Home / 3,418.03-4,716.93-2,020.78

Finding the Fourth Proportional to 3,418.03, 4,716.93 and 2,020.78

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Solution

The fourth proportional to 3,418.03, 4,716.93 and 2,020.78 is: 2,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.03 : 4,716.93 = 2,020.78 : x
  2. Step 2: Convert to fraction form
    3,418.03/4,716.93 = 2,020.78/x
  3. Step 3: Cross multiply
    3,418.03x = 4,716.93 × 2,020.78
  4. Step 4: Simplify right side
    3,418.03x = 9,531,877.81
  5. Step 5: Solve for x
    x = 9,531,877.81/3,418.03
  6. Step 6: Final answer
    x = 2,788.71

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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.