Home / 3,950.44-5,451.14-2,378.28

Finding the Fourth Proportional to 3,950.44, 5,451.14 and 2,378.28

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Solution

The fourth proportional to 3,950.44, 5,451.14 and 2,378.28 is: 3,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.44 : 5,451.14 = 2,378.28 : x
  2. Step 2: Convert to fraction form
    3,950.44/5,451.14 = 2,378.28/x
  3. Step 3: Cross multiply
    3,950.44x = 5,451.14 × 2,378.28
  4. Step 4: Simplify right side
    3,950.44x = 12,964,337.24
  5. Step 5: Solve for x
    x = 12,964,337.24/3,950.44
  6. Step 6: Final answer
    x = 3,281.75

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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.