Home / 3,226.70-4,454.05-1,900.46

Finding the Fourth Proportional to 3,226.70, 4,454.05 and 1,900.46

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Solution

The fourth proportional to 3,226.70, 4,454.05 and 1,900.46 is: 2,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.70 : 4,454.05 = 1,900.46 : x
  2. Step 2: Convert to fraction form
    3,226.70/4,454.05 = 1,900.46/x
  3. Step 3: Cross multiply
    3,226.70x = 4,454.05 × 1,900.46
  4. Step 4: Simplify right side
    3,226.70x = 8,464,743.86
  5. Step 5: Solve for x
    x = 8,464,743.86/3,226.70
  6. Step 6: Final answer
    x = 2,623.34

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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.