Home / 3,720.37-5,133.90-2,227.95

Finding the Fourth Proportional to 3,720.37, 5,133.90 and 2,227.95

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Solution

The fourth proportional to 3,720.37, 5,133.90 and 2,227.95 is: 3,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.37 : 5,133.90 = 2,227.95 : x
  2. Step 2: Convert to fraction form
    3,720.37/5,133.90 = 2,227.95/x
  3. Step 3: Cross multiply
    3,720.37x = 5,133.90 × 2,227.95
  4. Step 4: Simplify right side
    3,720.37x = 11,438,046.84
  5. Step 5: Solve for x
    x = 11,438,046.84/3,720.37
  6. Step 6: Final answer
    x = 3,074.44

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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.