Home / 3,513.89-4,843.55-2,766.66

Finding the Fourth Proportional to 3,513.89, 4,843.55 and 2,766.66

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Solution

The fourth proportional to 3,513.89, 4,843.55 and 2,766.66 is: 3,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.89 : 4,843.55 = 2,766.66 : x
  2. Step 2: Convert to fraction form
    3,513.89/4,843.55 = 2,766.66/x
  3. Step 3: Cross multiply
    3,513.89x = 4,843.55 × 2,766.66
  4. Step 4: Simplify right side
    3,513.89x = 13,400,442.21
  5. Step 5: Solve for x
    x = 13,400,442.21/3,513.89
  6. Step 6: Final answer
    x = 3,813.57

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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.