Home / 3,226-4,451.85-1,828.75

Finding the Fourth Proportional to 3,226, 4,451.85 and 1,828.75

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Solution

The fourth proportional to 3,226, 4,451.85 and 1,828.75 is: 2,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226 : 4,451.85 = 1,828.75 : x
  2. Step 2: Convert to fraction form
    3,226/4,451.85 = 1,828.75/x
  3. Step 3: Cross multiply
    3,226x = 4,451.85 × 1,828.75
  4. Step 4: Simplify right side
    3,226x = 8,141,320.69
  5. Step 5: Solve for x
    x = 8,141,320.69/3,226
  6. Step 6: Final answer
    x = 2,523.66

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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.