Home / 2,216.35-3,324.74-1,120.01

Finding the Fourth Proportional to 2,216.35, 3,324.74 and 1,120.01

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Solution

The fourth proportional to 2,216.35, 3,324.74 and 1,120.01 is: 1,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.35 : 3,324.74 = 1,120.01 : x
  2. Step 2: Convert to fraction form
    2,216.35/3,324.74 = 1,120.01/x
  3. Step 3: Cross multiply
    2,216.35x = 3,324.74 × 1,120.01
  4. Step 4: Simplify right side
    2,216.35x = 3,723,744.76
  5. Step 5: Solve for x
    x = 3,723,744.76/2,216.35
  6. Step 6: Final answer
    x = 1,680.13

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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.