Home / 2,884.67-3,977.66-2,086.41

Finding the Fourth Proportional to 2,884.67, 3,977.66 and 2,086.41

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Solution

The fourth proportional to 2,884.67, 3,977.66 and 2,086.41 is: 2,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.67 : 3,977.66 = 2,086.41 : x
  2. Step 2: Convert to fraction form
    2,884.67/3,977.66 = 2,086.41/x
  3. Step 3: Cross multiply
    2,884.67x = 3,977.66 × 2,086.41
  4. Step 4: Simplify right side
    2,884.67x = 8,299,019.17
  5. Step 5: Solve for x
    x = 8,299,019.17/2,884.67
  6. Step 6: Final answer
    x = 2,876.94

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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.