Home / 2,197.58-3,032.61-1,202.85

Finding the Fourth Proportional to 2,197.58, 3,032.61 and 1,202.85

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Solution

The fourth proportional to 2,197.58, 3,032.61 and 1,202.85 is: 1,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.58 : 3,032.61 = 1,202.85 : x
  2. Step 2: Convert to fraction form
    2,197.58/3,032.61 = 1,202.85/x
  3. Step 3: Cross multiply
    2,197.58x = 3,032.61 × 1,202.85
  4. Step 4: Simplify right side
    2,197.58x = 3,647,780.58
  5. Step 5: Solve for x
    x = 3,647,780.58/2,197.58
  6. Step 6: Final answer
    x = 1,659.91

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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.