Home / 4,219.81-6,331.06-2,028.69

Finding the Fourth Proportional to 4,219.81, 6,331.06 and 2,028.69

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Solution

The fourth proportional to 4,219.81, 6,331.06 and 2,028.69 is: 3,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.81 : 6,331.06 = 2,028.69 : x
  2. Step 2: Convert to fraction form
    4,219.81/6,331.06 = 2,028.69/x
  3. Step 3: Cross multiply
    4,219.81x = 6,331.06 × 2,028.69
  4. Step 4: Simplify right side
    4,219.81x = 12,843,758.11
  5. Step 5: Solve for x
    x = 12,843,758.11/4,219.81
  6. Step 6: Final answer
    x = 3,043.68

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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.