Home / 3,778.20-5,664.30-1,437.73

Finding the Fourth Proportional to 3,778.20, 5,664.30 and 1,437.73

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Solution

The fourth proportional to 3,778.20, 5,664.30 and 1,437.73 is: 2,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.20 : 5,664.30 = 1,437.73 : x
  2. Step 2: Convert to fraction form
    3,778.20/5,664.30 = 1,437.73/x
  3. Step 3: Cross multiply
    3,778.20x = 5,664.30 × 1,437.73
  4. Step 4: Simplify right side
    3,778.20x = 8,143,734.04
  5. Step 5: Solve for x
    x = 8,143,734.04/3,778.20
  6. Step 6: Final answer
    x = 2,155.45

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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.