Home / 3,351.87-4,616.94-2,820.11

Finding the Fourth Proportional to 3,351.87, 4,616.94 and 2,820.11

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Solution

The fourth proportional to 3,351.87, 4,616.94 and 2,820.11 is: 3,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.87 : 4,616.94 = 2,820.11 : x
  2. Step 2: Convert to fraction form
    3,351.87/4,616.94 = 2,820.11/x
  3. Step 3: Cross multiply
    3,351.87x = 4,616.94 × 2,820.11
  4. Step 4: Simplify right side
    3,351.87x = 13,020,255.58
  5. Step 5: Solve for x
    x = 13,020,255.58/3,351.87
  6. Step 6: Final answer
    x = 3,884.48

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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.