Home / 3,241.42-4,864.05-1,392.49

Finding the Fourth Proportional to 3,241.42, 4,864.05 and 1,392.49

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Solution

The fourth proportional to 3,241.42, 4,864.05 and 1,392.49 is: 2,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.42 : 4,864.05 = 1,392.49 : x
  2. Step 2: Convert to fraction form
    3,241.42/4,864.05 = 1,392.49/x
  3. Step 3: Cross multiply
    3,241.42x = 4,864.05 × 1,392.49
  4. Step 4: Simplify right side
    3,241.42x = 6,773,147.06
  5. Step 5: Solve for x
    x = 6,773,147.06/3,241.42
  6. Step 6: Final answer
    x = 2,089.56

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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.