Home / 3,655.05-5,482.62-1,189.88

Finding the Fourth Proportional to 3,655.05, 5,482.62 and 1,189.88

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Solution

The fourth proportional to 3,655.05, 5,482.62 and 1,189.88 is: 1,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.05 : 5,482.62 = 1,189.88 : x
  2. Step 2: Convert to fraction form
    3,655.05/5,482.62 = 1,189.88/x
  3. Step 3: Cross multiply
    3,655.05x = 5,482.62 × 1,189.88
  4. Step 4: Simplify right side
    3,655.05x = 6,523,659.89
  5. Step 5: Solve for x
    x = 6,523,659.89/3,655.05
  6. Step 6: Final answer
    x = 1,784.83

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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.