Home / 3,217.43-4,439.72-1,801.02

Finding the Fourth Proportional to 3,217.43, 4,439.72 and 1,801.02

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Solution

The fourth proportional to 3,217.43, 4,439.72 and 1,801.02 is: 2,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.43 : 4,439.72 = 1,801.02 : x
  2. Step 2: Convert to fraction form
    3,217.43/4,439.72 = 1,801.02/x
  3. Step 3: Cross multiply
    3,217.43x = 4,439.72 × 1,801.02
  4. Step 4: Simplify right side
    3,217.43x = 7,996,029.02
  5. Step 5: Solve for x
    x = 7,996,029.02/3,217.43
  6. Step 6: Final answer
    x = 2,485.23

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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.