Home / 3,881.92-5,350.80-2,622.58

Finding the Fourth Proportional to 3,881.92, 5,350.80 and 2,622.58

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Solution

The fourth proportional to 3,881.92, 5,350.80 and 2,622.58 is: 3,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.92 : 5,350.80 = 2,622.58 : x
  2. Step 2: Convert to fraction form
    3,881.92/5,350.80 = 2,622.58/x
  3. Step 3: Cross multiply
    3,881.92x = 5,350.80 × 2,622.58
  4. Step 4: Simplify right side
    3,881.92x = 14,032,874.31
  5. Step 5: Solve for x
    x = 14,032,874.31/3,881.92
  6. Step 6: Final answer
    x = 3,614.94

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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.