Home / 3,777.28-5,665.92-3,290.68

Finding the Fourth Proportional to 3,777.28, 5,665.92 and 3,290.68

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Solution

The fourth proportional to 3,777.28, 5,665.92 and 3,290.68 is: 4,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.28 : 5,665.92 = 3,290.68 : x
  2. Step 2: Convert to fraction form
    3,777.28/5,665.92 = 3,290.68/x
  3. Step 3: Cross multiply
    3,777.28x = 5,665.92 × 3,290.68
  4. Step 4: Simplify right side
    3,777.28x = 18,644,729.63
  5. Step 5: Solve for x
    x = 18,644,729.63/3,777.28
  6. Step 6: Final answer
    x = 4,936.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.