Home / 3,264.34-4,899.31-1,317.94

Finding the Fourth Proportional to 3,264.34, 4,899.31 and 1,317.94

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Solution

The fourth proportional to 3,264.34, 4,899.31 and 1,317.94 is: 1,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.34 : 4,899.31 = 1,317.94 : x
  2. Step 2: Convert to fraction form
    3,264.34/4,899.31 = 1,317.94/x
  3. Step 3: Cross multiply
    3,264.34x = 4,899.31 × 1,317.94
  4. Step 4: Simplify right side
    3,264.34x = 6,456,996.62
  5. Step 5: Solve for x
    x = 6,456,996.62/3,264.34
  6. Step 6: Final answer
    x = 1,978.04

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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.