Home / 3,513.74-4,822.19-3,181.44

Finding the Fourth Proportional to 3,513.74, 4,822.19 and 3,181.44

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Solution

The fourth proportional to 3,513.74, 4,822.19 and 3,181.44 is: 4,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.74 : 4,822.19 = 3,181.44 : x
  2. Step 2: Convert to fraction form
    3,513.74/4,822.19 = 3,181.44/x
  3. Step 3: Cross multiply
    3,513.74x = 4,822.19 × 3,181.44
  4. Step 4: Simplify right side
    3,513.74x = 15,341,508.15
  5. Step 5: Solve for x
    x = 15,341,508.15/3,513.74
  6. Step 6: Final answer
    x = 4,366.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.