Home / 3,962.88-5,468.98-2,391.08

Finding the Fourth Proportional to 3,962.88, 5,468.98 and 2,391.08

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Solution

The fourth proportional to 3,962.88, 5,468.98 and 2,391.08 is: 3,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.88 : 5,468.98 = 2,391.08 : x
  2. Step 2: Convert to fraction form
    3,962.88/5,468.98 = 2,391.08/x
  3. Step 3: Cross multiply
    3,962.88x = 5,468.98 × 2,391.08
  4. Step 4: Simplify right side
    3,962.88x = 13,076,768.70
  5. Step 5: Solve for x
    x = 13,076,768.70/3,962.88
  6. Step 6: Final answer
    x = 3,299.81

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1.5x scale

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.