Home / 3,479.35-5,216.10-1,629.49

Finding the Fourth Proportional to 3,479.35, 5,216.10 and 1,629.49

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Solution

The fourth proportional to 3,479.35, 5,216.10 and 1,629.49 is: 2,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.35 : 5,216.10 = 1,629.49 : x
  2. Step 2: Convert to fraction form
    3,479.35/5,216.10 = 1,629.49/x
  3. Step 3: Cross multiply
    3,479.35x = 5,216.10 × 1,629.49
  4. Step 4: Simplify right side
    3,479.35x = 8,499,582.79
  5. Step 5: Solve for x
    x = 8,499,582.79/3,479.35
  6. Step 6: Final answer
    x = 2,442.87

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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.