Home / 2,863.22-4,292.81-1,106.76

Finding the Fourth Proportional to 2,863.22, 4,292.81 and 1,106.76

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Solution

The fourth proportional to 2,863.22, 4,292.81 and 1,106.76 is: 1,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.22 : 4,292.81 = 1,106.76 : x
  2. Step 2: Convert to fraction form
    2,863.22/4,292.81 = 1,106.76/x
  3. Step 3: Cross multiply
    2,863.22x = 4,292.81 × 1,106.76
  4. Step 4: Simplify right side
    2,863.22x = 4,751,104.86
  5. Step 5: Solve for x
    x = 4,751,104.86/2,863.22
  6. Step 6: Final answer
    x = 1,659.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.