Home / 3,865.62-5,334.34-2,272.02

Finding the Fourth Proportional to 3,865.62, 5,334.34 and 2,272.02

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Solution

The fourth proportional to 3,865.62, 5,334.34 and 2,272.02 is: 3,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.62 : 5,334.34 = 2,272.02 : x
  2. Step 2: Convert to fraction form
    3,865.62/5,334.34 = 2,272.02/x
  3. Step 3: Cross multiply
    3,865.62x = 5,334.34 × 2,272.02
  4. Step 4: Simplify right side
    3,865.62x = 12,119,727.17
  5. Step 5: Solve for x
    x = 12,119,727.17/3,865.62
  6. Step 6: Final answer
    x = 3,135.26

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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.