Home / 3,950.43-5,451.80-2,182.23

Finding the Fourth Proportional to 3,950.43, 5,451.80 and 2,182.23

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Solution

The fourth proportional to 3,950.43, 5,451.80 and 2,182.23 is: 3,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.43 : 5,451.80 = 2,182.23 : x
  2. Step 2: Convert to fraction form
    3,950.43/5,451.80 = 2,182.23/x
  3. Step 3: Cross multiply
    3,950.43x = 5,451.80 × 2,182.23
  4. Step 4: Simplify right side
    3,950.43x = 11,897,070.60
  5. Step 5: Solve for x
    x = 11,897,070.60/3,950.43
  6. Step 6: Final answer
    x = 3,011.59

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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.