Home / 3,612.85-4,986.38-2,338.30

Finding the Fourth Proportional to 3,612.85, 4,986.38 and 2,338.30

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Solution

The fourth proportional to 3,612.85, 4,986.38 and 2,338.30 is: 3,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.85 : 4,986.38 = 2,338.30 : x
  2. Step 2: Convert to fraction form
    3,612.85/4,986.38 = 2,338.30/x
  3. Step 3: Cross multiply
    3,612.85x = 4,986.38 × 2,338.30
  4. Step 4: Simplify right side
    3,612.85x = 11,659,652.35
  5. Step 5: Solve for x
    x = 11,659,652.35/3,612.85
  6. Step 6: Final answer
    x = 3,227.27

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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.