Home / 3,881.66-5,350.46-2,622.31

Finding the Fourth Proportional to 3,881.66, 5,350.46 and 2,622.31

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Solution

The fourth proportional to 3,881.66, 5,350.46 and 2,622.31 is: 3,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.66 : 5,350.46 = 2,622.31 : x
  2. Step 2: Convert to fraction form
    3,881.66/5,350.46 = 2,622.31/x
  3. Step 3: Cross multiply
    3,881.66x = 5,350.46 × 2,622.31
  4. Step 4: Simplify right side
    3,881.66x = 14,030,571.32
  5. Step 5: Solve for x
    x = 14,030,571.32/3,881.66
  6. Step 6: Final answer
    x = 3,614.58

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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.