Home / 3,261.85-4,892.99-1,314

Finding the Fourth Proportional to 3,261.85, 4,892.99 and 1,314

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Solution

The fourth proportional to 3,261.85, 4,892.99 and 1,314 is: 1,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.85 : 4,892.99 = 1,314 : x
  2. Step 2: Convert to fraction form
    3,261.85/4,892.99 = 1,314/x
  3. Step 3: Cross multiply
    3,261.85x = 4,892.99 × 1,314
  4. Step 4: Simplify right side
    3,261.85x = 6,429,382.29
  5. Step 5: Solve for x
    x = 6,429,382.29/3,261.85
  6. Step 6: Final answer
    x = 1,971.09

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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.