Home / 2,682.62-4,021.61-1,038.04

Finding the Fourth Proportional to 2,682.62, 4,021.61 and 1,038.04

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Solution

The fourth proportional to 2,682.62, 4,021.61 and 1,038.04 is: 1,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.62 : 4,021.61 = 1,038.04 : x
  2. Step 2: Convert to fraction form
    2,682.62/4,021.61 = 1,038.04/x
  3. Step 3: Cross multiply
    2,682.62x = 4,021.61 × 1,038.04
  4. Step 4: Simplify right side
    2,682.62x = 4,174,580.69
  5. Step 5: Solve for x
    x = 4,174,580.69/2,682.62
  6. Step 6: Final answer
    x = 1,556.16

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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.