Home / 3,645.30-5,466.60-1,536.78

Finding the Fourth Proportional to 3,645.30, 5,466.60 and 1,536.78

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Solution

The fourth proportional to 3,645.30, 5,466.60 and 1,536.78 is: 2,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.30 : 5,466.60 = 1,536.78 : x
  2. Step 2: Convert to fraction form
    3,645.30/5,466.60 = 1,536.78/x
  3. Step 3: Cross multiply
    3,645.30x = 5,466.60 × 1,536.78
  4. Step 4: Simplify right side
    3,645.30x = 8,400,961.55
  5. Step 5: Solve for x
    x = 8,400,961.55/3,645.30
  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.