Home / 3,239.40-4,468.69-2,796.53

Finding the Fourth Proportional to 3,239.40, 4,468.69 and 2,796.53

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Solution

The fourth proportional to 3,239.40, 4,468.69 and 2,796.53 is: 3,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.40 : 4,468.69 = 2,796.53 : x
  2. Step 2: Convert to fraction form
    3,239.40/4,468.69 = 2,796.53/x
  3. Step 3: Cross multiply
    3,239.40x = 4,468.69 × 2,796.53
  4. Step 4: Simplify right side
    3,239.40x = 12,496,829.83
  5. Step 5: Solve for x
    x = 12,496,829.83/3,239.40
  6. Step 6: Final answer
    x = 3,857.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.