Home / 3,489.24-5,226.79-1,612.46

Finding the Fourth Proportional to 3,489.24, 5,226.79 and 1,612.46

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Solution

The fourth proportional to 3,489.24, 5,226.79 and 1,612.46 is: 2,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.24 : 5,226.79 = 1,612.46 : x
  2. Step 2: Convert to fraction form
    3,489.24/5,226.79 = 1,612.46/x
  3. Step 3: Cross multiply
    3,489.24x = 5,226.79 × 1,612.46
  4. Step 4: Simplify right side
    3,489.24x = 8,428,001.86
  5. Step 5: Solve for x
    x = 8,428,001.86/3,489.24
  6. Step 6: Final answer
    x = 2,415.43

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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.