Home / 3,513.68-4,843.29-2,766.45

Finding the Fourth Proportional to 3,513.68, 4,843.29 and 2,766.45

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Solution

The fourth proportional to 3,513.68, 4,843.29 and 2,766.45 is: 3,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.68 : 4,843.29 = 2,766.45 : x
  2. Step 2: Convert to fraction form
    3,513.68/4,843.29 = 2,766.45/x
  3. Step 3: Cross multiply
    3,513.68x = 4,843.29 × 2,766.45
  4. Step 4: Simplify right side
    3,513.68x = 13,398,748.16
  5. Step 5: Solve for x
    x = 13,398,748.16/3,513.68
  6. Step 6: Final answer
    x = 3,813.31

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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.