Home / 3,339.91-5,012.45-1,260.44

Finding the Fourth Proportional to 3,339.91, 5,012.45 and 1,260.44

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Solution

The fourth proportional to 3,339.91, 5,012.45 and 1,260.44 is: 1,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.91 : 5,012.45 = 1,260.44 : x
  2. Step 2: Convert to fraction form
    3,339.91/5,012.45 = 1,260.44/x
  3. Step 3: Cross multiply
    3,339.91x = 5,012.45 × 1,260.44
  4. Step 4: Simplify right side
    3,339.91x = 6,317,892.48
  5. Step 5: Solve for x
    x = 6,317,892.48/3,339.91
  6. Step 6: Final answer
    x = 1,891.64

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1.5x scale

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.