Home / 2,197.01-3,031.74-1,202.30

Finding the Fourth Proportional to 2,197.01, 3,031.74 and 1,202.30

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Solution

The fourth proportional to 2,197.01, 3,031.74 and 1,202.30 is: 1,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.01 : 3,031.74 = 1,202.30 : x
  2. Step 2: Convert to fraction form
    2,197.01/3,031.74 = 1,202.30/x
  3. Step 3: Cross multiply
    2,197.01x = 3,031.74 × 1,202.30
  4. Step 4: Simplify right side
    2,197.01x = 3,645,045.84
  5. Step 5: Solve for x
    x = 3,645,045.84/2,197.01
  6. Step 6: Final answer
    x = 1,659.10

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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.