Home / 3,759.22-5,635.68-1,783.72

Finding the Fourth Proportional to 3,759.22, 5,635.68 and 1,783.72

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Solution

The fourth proportional to 3,759.22, 5,635.68 and 1,783.72 is: 2,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.22 : 5,635.68 = 1,783.72 : x
  2. Step 2: Convert to fraction form
    3,759.22/5,635.68 = 1,783.72/x
  3. Step 3: Cross multiply
    3,759.22x = 5,635.68 × 1,783.72
  4. Step 4: Simplify right side
    3,759.22x = 10,052,475.13
  5. Step 5: Solve for x
    x = 10,052,475.13/3,759.22
  6. Step 6: Final answer
    x = 2,674.09

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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.