Home / 3,138.76-4,335.99-2,508.44

Finding the Fourth Proportional to 3,138.76, 4,335.99 and 2,508.44

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Solution

The fourth proportional to 3,138.76, 4,335.99 and 2,508.44 is: 3,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.76 : 4,335.99 = 2,508.44 : x
  2. Step 2: Convert to fraction form
    3,138.76/4,335.99 = 2,508.44/x
  3. Step 3: Cross multiply
    3,138.76x = 4,335.99 × 2,508.44
  4. Step 4: Simplify right side
    3,138.76x = 10,876,536.53
  5. Step 5: Solve for x
    x = 10,876,536.53/3,138.76
  6. Step 6: Final answer
    x = 3,465.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.