Home / 3,228.66-4,844.81-1,281.02

Finding the Fourth Proportional to 3,228.66, 4,844.81 and 1,281.02

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Solution

The fourth proportional to 3,228.66, 4,844.81 and 1,281.02 is: 1,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.66 : 4,844.81 = 1,281.02 : x
  2. Step 2: Convert to fraction form
    3,228.66/4,844.81 = 1,281.02/x
  3. Step 3: Cross multiply
    3,228.66x = 4,844.81 × 1,281.02
  4. Step 4: Simplify right side
    3,228.66x = 6,206,277.48
  5. Step 5: Solve for x
    x = 6,206,277.48/3,228.66
  6. Step 6: Final answer
    x = 1,922.25

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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.