Home / 2,197.24-3,031.98-1,202.44

Finding the Fourth Proportional to 2,197.24, 3,031.98 and 1,202.44

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Solution

The fourth proportional to 2,197.24, 3,031.98 and 1,202.44 is: 1,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.24 : 3,031.98 = 1,202.44 : x
  2. Step 2: Convert to fraction form
    2,197.24/3,031.98 = 1,202.44/x
  3. Step 3: Cross multiply
    2,197.24x = 3,031.98 × 1,202.44
  4. Step 4: Simplify right side
    2,197.24x = 3,645,774.03
  5. Step 5: Solve for x
    x = 3,645,774.03/2,197.24
  6. Step 6: Final answer
    x = 1,659.25

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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.