Home / 3,219.50-4,443.18-2,040.14

Finding the Fourth Proportional to 3,219.50, 4,443.18 and 2,040.14

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Solution

The fourth proportional to 3,219.50, 4,443.18 and 2,040.14 is: 2,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.50 : 4,443.18 = 2,040.14 : x
  2. Step 2: Convert to fraction form
    3,219.50/4,443.18 = 2,040.14/x
  3. Step 3: Cross multiply
    3,219.50x = 4,443.18 × 2,040.14
  4. Step 4: Simplify right side
    3,219.50x = 9,064,709.25
  5. Step 5: Solve for x
    x = 9,064,709.25/3,219.50
  6. Step 6: Final answer
    x = 2,815.56

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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.