Home / 3,131.04-4,691.96-1,742.47

Finding the Fourth Proportional to 3,131.04, 4,691.96 and 1,742.47

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Solution

The fourth proportional to 3,131.04, 4,691.96 and 1,742.47 is: 2,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.04 : 4,691.96 = 1,742.47 : x
  2. Step 2: Convert to fraction form
    3,131.04/4,691.96 = 1,742.47/x
  3. Step 3: Cross multiply
    3,131.04x = 4,691.96 × 1,742.47
  4. Step 4: Simplify right side
    3,131.04x = 8,175,599.54
  5. Step 5: Solve for x
    x = 8,175,599.54/3,131.04
  6. Step 6: Final answer
    x = 2,611.15

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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.