Home / 3,424.21-5,140.55-2,250.54

Finding the Fourth Proportional to 3,424.21, 5,140.55 and 2,250.54

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Solution

The fourth proportional to 3,424.21, 5,140.55 and 2,250.54 is: 3,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.21 : 5,140.55 = 2,250.54 : x
  2. Step 2: Convert to fraction form
    3,424.21/5,140.55 = 2,250.54/x
  3. Step 3: Cross multiply
    3,424.21x = 5,140.55 × 2,250.54
  4. Step 4: Simplify right side
    3,424.21x = 11,569,019.02
  5. Step 5: Solve for x
    x = 11,569,019.02/3,424.21
  6. Step 6: Final answer
    x = 3,378.60

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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.