Home / 2,064.70-3,092.85-1,282.30

Finding the Fourth Proportional to 2,064.70, 3,092.85 and 1,282.30

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Solution

The fourth proportional to 2,064.70, 3,092.85 and 1,282.30 is: 1,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.70 : 3,092.85 = 1,282.30 : x
  2. Step 2: Convert to fraction form
    2,064.70/3,092.85 = 1,282.30/x
  3. Step 3: Cross multiply
    2,064.70x = 3,092.85 × 1,282.30
  4. Step 4: Simplify right side
    2,064.70x = 3,965,961.56
  5. Step 5: Solve for x
    x = 3,965,961.56/2,064.70
  6. Step 6: Final answer
    x = 1,920.84

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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.