Home / 3,621.25-4,997.33-1,965.25

Finding the Fourth Proportional to 3,621.25, 4,997.33 and 1,965.25

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Solution

The fourth proportional to 3,621.25, 4,997.33 and 1,965.25 is: 2,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.25 : 4,997.33 = 1,965.25 : x
  2. Step 2: Convert to fraction form
    3,621.25/4,997.33 = 1,965.25/x
  3. Step 3: Cross multiply
    3,621.25x = 4,997.33 × 1,965.25
  4. Step 4: Simplify right side
    3,621.25x = 9,821,002.78
  5. Step 5: Solve for x
    x = 9,821,002.78/3,621.25
  6. Step 6: Final answer
    x = 2,712.05

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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.