Home / 3,219.52-4,801.13-3,190.36

Finding the Fourth Proportional to 3,219.52, 4,801.13 and 3,190.36

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Solution

The fourth proportional to 3,219.52, 4,801.13 and 3,190.36 is: 4,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.52 : 4,801.13 = 3,190.36 : x
  2. Step 2: Convert to fraction form
    3,219.52/4,801.13 = 3,190.36/x
  3. Step 3: Cross multiply
    3,219.52x = 4,801.13 × 3,190.36
  4. Step 4: Simplify right side
    3,219.52x = 15,317,333.11
  5. Step 5: Solve for x
    x = 15,317,333.11/3,219.52
  6. Step 6: Final answer
    x = 4,757.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.