Home / 3,309.37-4,964.05-1,360.20

Finding the Fourth Proportional to 3,309.37, 4,964.05 and 1,360.20

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Solution

The fourth proportional to 3,309.37, 4,964.05 and 1,360.20 is: 2,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.37 : 4,964.05 = 1,360.20 : x
  2. Step 2: Convert to fraction form
    3,309.37/4,964.05 = 1,360.20/x
  3. Step 3: Cross multiply
    3,309.37x = 4,964.05 × 1,360.20
  4. Step 4: Simplify right side
    3,309.37x = 6,752,121.13
  5. Step 5: Solve for x
    x = 6,752,121.13/3,309.37
  6. Step 6: Final answer
    x = 2,040.31

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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.