Home / 3,421.03-4,721.07-2,023.78

Finding the Fourth Proportional to 3,421.03, 4,721.07 and 2,023.78

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Solution

The fourth proportional to 3,421.03, 4,721.07 and 2,023.78 is: 2,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.03 : 4,721.07 = 2,023.78 : x
  2. Step 2: Convert to fraction form
    3,421.03/4,721.07 = 2,023.78/x
  3. Step 3: Cross multiply
    3,421.03x = 4,721.07 × 2,023.78
  4. Step 4: Simplify right side
    3,421.03x = 9,554,407.04
  5. Step 5: Solve for x
    x = 9,554,407.04/3,421.03
  6. Step 6: Final answer
    x = 2,792.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.