Home / 3,625.60-5,005.04-2,729.68

Finding the Fourth Proportional to 3,625.60, 5,005.04 and 2,729.68

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Solution

The fourth proportional to 3,625.60, 5,005.04 and 2,729.68 is: 3,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.60 : 5,005.04 = 2,729.68 : x
  2. Step 2: Convert to fraction form
    3,625.60/5,005.04 = 2,729.68/x
  3. Step 3: Cross multiply
    3,625.60x = 5,005.04 × 2,729.68
  4. Step 4: Simplify right side
    3,625.60x = 13,662,157.59
  5. Step 5: Solve for x
    x = 13,662,157.59/3,625.60
  6. Step 6: Final answer
    x = 3,768.25

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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.