Home / 2,680.48-4,020.90-732.64

Finding the Fourth Proportional to 2,680.48, 4,020.90 and 732.64

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Solution

The fourth proportional to 2,680.48, 4,020.90 and 732.64 is: 1,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.48 : 4,020.90 = 732.64 : x
  2. Step 2: Convert to fraction form
    2,680.48/4,020.90 = 732.64/x
  3. Step 3: Cross multiply
    2,680.48x = 4,020.90 × 732.64
  4. Step 4: Simplify right side
    2,680.48x = 2,945,872.18
  5. Step 5: Solve for x
    x = 2,945,872.18/2,680.48
  6. Step 6: Final answer
    x = 1,099.01

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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.