Home / 3,351.20-4,621.36-3,086.33

Finding the Fourth Proportional to 3,351.20, 4,621.36 and 3,086.33

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Solution

The fourth proportional to 3,351.20, 4,621.36 and 3,086.33 is: 4,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.20 : 4,621.36 = 3,086.33 : x
  2. Step 2: Convert to fraction form
    3,351.20/4,621.36 = 3,086.33/x
  3. Step 3: Cross multiply
    3,351.20x = 4,621.36 × 3,086.33
  4. Step 4: Simplify right side
    3,351.20x = 14,263,042.01
  5. Step 5: Solve for x
    x = 14,263,042.01/3,351.20
  6. Step 6: Final answer
    x = 4,256.10

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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.