Home / 2,124.07-3,183.91-892.20

Finding the Fourth Proportional to 2,124.07, 3,183.91 and 892.20

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Solution

The fourth proportional to 2,124.07, 3,183.91 and 892.20 is: 1,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.07 : 3,183.91 = 892.20 : x
  2. Step 2: Convert to fraction form
    2,124.07/3,183.91 = 892.20/x
  3. Step 3: Cross multiply
    2,124.07x = 3,183.91 × 892.20
  4. Step 4: Simplify right side
    2,124.07x = 2,840,684.50
  5. Step 5: Solve for x
    x = 2,840,684.50/2,124.07
  6. Step 6: Final answer
    x = 1,337.38

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1.5x scale

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.