Home / 3,635.96-5,454.84-1,171.06

Finding the Fourth Proportional to 3,635.96, 5,454.84 and 1,171.06

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Solution

The fourth proportional to 3,635.96, 5,454.84 and 1,171.06 is: 1,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.96 : 5,454.84 = 1,171.06 : x
  2. Step 2: Convert to fraction form
    3,635.96/5,454.84 = 1,171.06/x
  3. Step 3: Cross multiply
    3,635.96x = 5,454.84 × 1,171.06
  4. Step 4: Simplify right side
    3,635.96x = 6,387,917.66
  5. Step 5: Solve for x
    x = 6,387,917.66/3,635.96
  6. Step 6: Final answer
    x = 1,756.87

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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.