Home / 3,281.56-4,920.90-1,201.03

Finding the Fourth Proportional to 3,281.56, 4,920.90 and 1,201.03

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Solution

The fourth proportional to 3,281.56, 4,920.90 and 1,201.03 is: 1,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.56 : 4,920.90 = 1,201.03 : x
  2. Step 2: Convert to fraction form
    3,281.56/4,920.90 = 1,201.03/x
  3. Step 3: Cross multiply
    3,281.56x = 4,920.90 × 1,201.03
  4. Step 4: Simplify right side
    3,281.56x = 5,910,123.92
  5. Step 5: Solve for x
    x = 5,910,123.92/3,281.56
  6. Step 6: Final answer
    x = 1,801.01

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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.