Home / 3,229.13-4,455.51-1,902.35

Finding the Fourth Proportional to 3,229.13, 4,455.51 and 1,902.35

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Solution

The fourth proportional to 3,229.13, 4,455.51 and 1,902.35 is: 2,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.13 : 4,455.51 = 1,902.35 : x
  2. Step 2: Convert to fraction form
    3,229.13/4,455.51 = 1,902.35/x
  3. Step 3: Cross multiply
    3,229.13x = 4,455.51 × 1,902.35
  4. Step 4: Simplify right side
    3,229.13x = 8,475,917.17
  5. Step 5: Solve for x
    x = 8,475,917.17/3,229.13
  6. Step 6: Final answer
    x = 2,624.83

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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.