Home / 3,257.81-4,886.94-1,310.02

Finding the Fourth Proportional to 3,257.81, 4,886.94 and 1,310.02

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Solution

The fourth proportional to 3,257.81, 4,886.94 and 1,310.02 is: 1,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.81 : 4,886.94 = 1,310.02 : x
  2. Step 2: Convert to fraction form
    3,257.81/4,886.94 = 1,310.02/x
  3. Step 3: Cross multiply
    3,257.81x = 4,886.94 × 1,310.02
  4. Step 4: Simplify right side
    3,257.81x = 6,401,989.14
  5. Step 5: Solve for x
    x = 6,401,989.14/3,257.81
  6. Step 6: Final answer
    x = 1,965.12

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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.