Home / 3,031.75-4,184.41-1,968.02

Finding the Fourth Proportional to 3,031.75, 4,184.41 and 1,968.02

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Solution

The fourth proportional to 3,031.75, 4,184.41 and 1,968.02 is: 2,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.75 : 4,184.41 = 1,968.02 : x
  2. Step 2: Convert to fraction form
    3,031.75/4,184.41 = 1,968.02/x
  3. Step 3: Cross multiply
    3,031.75x = 4,184.41 × 1,968.02
  4. Step 4: Simplify right side
    3,031.75x = 8,235,002.57
  5. Step 5: Solve for x
    x = 8,235,002.57/3,031.75
  6. Step 6: Final answer
    x = 2,716.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.