Home / 3,163.74-4,742.88-1,701.20

Finding the Fourth Proportional to 3,163.74, 4,742.88 and 1,701.20

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Solution

The fourth proportional to 3,163.74, 4,742.88 and 1,701.20 is: 2,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.74 : 4,742.88 = 1,701.20 : x
  2. Step 2: Convert to fraction form
    3,163.74/4,742.88 = 1,701.20/x
  3. Step 3: Cross multiply
    3,163.74x = 4,742.88 × 1,701.20
  4. Step 4: Simplify right side
    3,163.74x = 8,068,587.46
  5. Step 5: Solve for x
    x = 8,068,587.46/3,163.74
  6. Step 6: Final answer
    x = 2,550.33

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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.