Home / 3,952.79-5,455.11-2,625.60

Finding the Fourth Proportional to 3,952.79, 5,455.11 and 2,625.60

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Solution

The fourth proportional to 3,952.79, 5,455.11 and 2,625.60 is: 3,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.79 : 5,455.11 = 2,625.60 : x
  2. Step 2: Convert to fraction form
    3,952.79/5,455.11 = 2,625.60/x
  3. Step 3: Cross multiply
    3,952.79x = 5,455.11 × 2,625.60
  4. Step 4: Simplify right side
    3,952.79x = 14,322,936.82
  5. Step 5: Solve for x
    x = 14,322,936.82/3,952.79
  6. Step 6: Final answer
    x = 3,623.50

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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.