Home / 3,515.13-4,850.28-2,022.81

Finding the Fourth Proportional to 3,515.13, 4,850.28 and 2,022.81

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Solution

The fourth proportional to 3,515.13, 4,850.28 and 2,022.81 is: 2,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.13 : 4,850.28 = 2,022.81 : x
  2. Step 2: Convert to fraction form
    3,515.13/4,850.28 = 2,022.81/x
  3. Step 3: Cross multiply
    3,515.13x = 4,850.28 × 2,022.81
  4. Step 4: Simplify right side
    3,515.13x = 9,811,176.70
  5. Step 5: Solve for x
    x = 9,811,176.70/3,515.13
  6. Step 6: Final answer
    x = 2,791.13

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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.