Home / 3,638.85-5,021.63-2,023.79

Finding the Fourth Proportional to 3,638.85, 5,021.63 and 2,023.79

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Solution

The fourth proportional to 3,638.85, 5,021.63 and 2,023.79 is: 2,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.85 : 5,021.63 = 2,023.79 : x
  2. Step 2: Convert to fraction form
    3,638.85/5,021.63 = 2,023.79/x
  3. Step 3: Cross multiply
    3,638.85x = 5,021.63 × 2,023.79
  4. Step 4: Simplify right side
    3,638.85x = 10,162,689.35
  5. Step 5: Solve for x
    x = 10,162,689.35/3,638.85
  6. Step 6: Final answer
    x = 2,792.83

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1.5x scale

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.