Home / 3,161.90-4,742.86-1,701.74

Finding the Fourth Proportional to 3,161.90, 4,742.86 and 1,701.74

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Solution

The fourth proportional to 3,161.90, 4,742.86 and 1,701.74 is: 2,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.90 : 4,742.86 = 1,701.74 : x
  2. Step 2: Convert to fraction form
    3,161.90/4,742.86 = 1,701.74/x
  3. Step 3: Cross multiply
    3,161.90x = 4,742.86 × 1,701.74
  4. Step 4: Simplify right side
    3,161.90x = 8,071,114.58
  5. Step 5: Solve for x
    x = 8,071,114.58/3,161.90
  6. Step 6: Final answer
    x = 2,552.62

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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.