Home / 3,416.66-5,122.56-1,635.68

Finding the Fourth Proportional to 3,416.66, 5,122.56 and 1,635.68

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Solution

The fourth proportional to 3,416.66, 5,122.56 and 1,635.68 is: 2,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.66 : 5,122.56 = 1,635.68 : x
  2. Step 2: Convert to fraction form
    3,416.66/5,122.56 = 1,635.68/x
  3. Step 3: Cross multiply
    3,416.66x = 5,122.56 × 1,635.68
  4. Step 4: Simplify right side
    3,416.66x = 8,378,868.94
  5. Step 5: Solve for x
    x = 8,378,868.94/3,416.66
  6. Step 6: Final answer
    x = 2,452.36

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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.