Home / 3,648.18-5,464.32-2,261.88

Finding the Fourth Proportional to 3,648.18, 5,464.32 and 2,261.88

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Solution

The fourth proportional to 3,648.18, 5,464.32 and 2,261.88 is: 3,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.18 : 5,464.32 = 2,261.88 : x
  2. Step 2: Convert to fraction form
    3,648.18/5,464.32 = 2,261.88/x
  3. Step 3: Cross multiply
    3,648.18x = 5,464.32 × 2,261.88
  4. Step 4: Simplify right side
    3,648.18x = 12,359,636.12
  5. Step 5: Solve for x
    x = 12,359,636.12/3,648.18
  6. Step 6: Final answer
    x = 3,387.89

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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.