Home / 3,962.47-5,468.09-2,169.87

Finding the Fourth Proportional to 3,962.47, 5,468.09 and 2,169.87

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Solution

The fourth proportional to 3,962.47, 5,468.09 and 2,169.87 is: 2,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.47 : 5,468.09 = 2,169.87 : x
  2. Step 2: Convert to fraction form
    3,962.47/5,468.09 = 2,169.87/x
  3. Step 3: Cross multiply
    3,962.47x = 5,468.09 × 2,169.87
  4. Step 4: Simplify right side
    3,962.47x = 11,865,033.60
  5. Step 5: Solve for x
    x = 11,865,033.60/3,962.47
  6. Step 6: Final answer
    x = 2,994.35

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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.