Home / 3,179.39-4,770.09-1,536.08

Finding the Fourth Proportional to 3,179.39, 4,770.09 and 1,536.08

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Solution

The fourth proportional to 3,179.39, 4,770.09 and 1,536.08 is: 2,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.39 : 4,770.09 = 1,536.08 : x
  2. Step 2: Convert to fraction form
    3,179.39/4,770.09 = 1,536.08/x
  3. Step 3: Cross multiply
    3,179.39x = 4,770.09 × 1,536.08
  4. Step 4: Simplify right side
    3,179.39x = 7,327,216.00
  5. Step 5: Solve for x
    x = 7,327,216.00/3,179.39
  6. Step 6: Final answer
    x = 2,304.60

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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.