Home / 3,267.38-4,899.10-1,317.31

Finding the Fourth Proportional to 3,267.38, 4,899.10 and 1,317.31

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Solution

The fourth proportional to 3,267.38, 4,899.10 and 1,317.31 is: 1,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.38 : 4,899.10 = 1,317.31 : x
  2. Step 2: Convert to fraction form
    3,267.38/4,899.10 = 1,317.31/x
  3. Step 3: Cross multiply
    3,267.38x = 4,899.10 × 1,317.31
  4. Step 4: Simplify right side
    3,267.38x = 6,453,633.42
  5. Step 5: Solve for x
    x = 6,453,633.42/3,267.38
  6. Step 6: Final answer
    x = 1,975.17

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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.