Home / 3,475.40-5,209.45-1,282.73

Finding the Fourth Proportional to 3,475.40, 5,209.45 and 1,282.73

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Solution

The fourth proportional to 3,475.40, 5,209.45 and 1,282.73 is: 1,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.40 : 5,209.45 = 1,282.73 : x
  2. Step 2: Convert to fraction form
    3,475.40/5,209.45 = 1,282.73/x
  3. Step 3: Cross multiply
    3,475.40x = 5,209.45 × 1,282.73
  4. Step 4: Simplify right side
    3,475.40x = 6,682,288.54
  5. Step 5: Solve for x
    x = 6,682,288.54/3,475.40
  6. Step 6: Final answer
    x = 1,922.74

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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.