Home / 3,697.20-5,548.14-2,140.29

Finding the Fourth Proportional to 3,697.20, 5,548.14 and 2,140.29

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Solution

The fourth proportional to 3,697.20, 5,548.14 and 2,140.29 is: 3,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.20 : 5,548.14 = 2,140.29 : x
  2. Step 2: Convert to fraction form
    3,697.20/5,548.14 = 2,140.29/x
  3. Step 3: Cross multiply
    3,697.20x = 5,548.14 × 2,140.29
  4. Step 4: Simplify right side
    3,697.20x = 11,874,628.56
  5. Step 5: Solve for x
    x = 11,874,628.56/3,697.20
  6. Step 6: Final answer
    x = 3,211.79

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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.