Home / 3,591.12-5,387.48-2,203.58

Finding the Fourth Proportional to 3,591.12, 5,387.48 and 2,203.58

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Solution

The fourth proportional to 3,591.12, 5,387.48 and 2,203.58 is: 3,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.12 : 5,387.48 = 2,203.58 : x
  2. Step 2: Convert to fraction form
    3,591.12/5,387.48 = 2,203.58/x
  3. Step 3: Cross multiply
    3,591.12x = 5,387.48 × 2,203.58
  4. Step 4: Simplify right side
    3,591.12x = 11,871,743.18
  5. Step 5: Solve for x
    x = 11,871,743.18/3,591.12
  6. Step 6: Final answer
    x = 3,305.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.