Home / 3,950.60-5,451.75-2,182.32

Finding the Fourth Proportional to 3,950.60, 5,451.75 and 2,182.32

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Solution

The fourth proportional to 3,950.60, 5,451.75 and 2,182.32 is: 3,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.60 : 5,451.75 = 2,182.32 : x
  2. Step 2: Convert to fraction form
    3,950.60/5,451.75 = 2,182.32/x
  3. Step 3: Cross multiply
    3,950.60x = 5,451.75 × 2,182.32
  4. Step 4: Simplify right side
    3,950.60x = 11,897,463.06
  5. Step 5: Solve for x
    x = 11,897,463.06/3,950.60
  6. Step 6: Final answer
    x = 3,011.56

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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.