Home / 2,942.32-4,434.13-2,650.15

Finding the Fourth Proportional to 2,942.32, 4,434.13 and 2,650.15

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Solution

The fourth proportional to 2,942.32, 4,434.13 and 2,650.15 is: 3,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.32 : 4,434.13 = 2,650.15 : x
  2. Step 2: Convert to fraction form
    2,942.32/4,434.13 = 2,650.15/x
  3. Step 3: Cross multiply
    2,942.32x = 4,434.13 × 2,650.15
  4. Step 4: Simplify right side
    2,942.32x = 11,751,087.45
  5. Step 5: Solve for x
    x = 11,751,087.45/2,942.32
  6. Step 6: Final answer
    x = 3,993.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.