Home / 3,201.78-4,424.58-2,612.10

Finding the Fourth Proportional to 3,201.78, 4,424.58 and 2,612.10

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Solution

The fourth proportional to 3,201.78, 4,424.58 and 2,612.10 is: 3,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.78 : 4,424.58 = 2,612.10 : x
  2. Step 2: Convert to fraction form
    3,201.78/4,424.58 = 2,612.10/x
  3. Step 3: Cross multiply
    3,201.78x = 4,424.58 × 2,612.10
  4. Step 4: Simplify right side
    3,201.78x = 11,557,445.42
  5. Step 5: Solve for x
    x = 11,557,445.42/3,201.78
  6. Step 6: Final answer
    x = 3,609.69

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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.