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Finding the Fourth Proportional to 1,642.44, 2,462.08 and 546.03

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Solution

The fourth proportional to 1,642.44, 2,462.08 and 546.03 is: 818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.44 : 2,462.08 = 546.03 : x
  2. Step 2: Convert to fraction form
    1,642.44/2,462.08 = 546.03/x
  3. Step 3: Cross multiply
    1,642.44x = 2,462.08 × 546.03
  4. Step 4: Simplify right side
    1,642.44x = 1,344,369.54
  5. Step 5: Solve for x
    x = 1,344,369.54/1,642.44
  6. Step 6: Final answer
    x = 818.52

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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.