Home / 3,630.60-5,014.08-2,850.57

Finding the Fourth Proportional to 3,630.60, 5,014.08 and 2,850.57

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Solution

The fourth proportional to 3,630.60, 5,014.08 and 2,850.57 is: 3,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.60 : 5,014.08 = 2,850.57 : x
  2. Step 2: Convert to fraction form
    3,630.60/5,014.08 = 2,850.57/x
  3. Step 3: Cross multiply
    3,630.60x = 5,014.08 × 2,850.57
  4. Step 4: Simplify right side
    3,630.60x = 14,292,986.03
  5. Step 5: Solve for x
    x = 14,292,986.03/3,630.60
  6. Step 6: Final answer
    x = 3,936.81

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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.