Home / 2,006.70-3,012.21-1,432.14

Finding the Fourth Proportional to 2,006.70, 3,012.21 and 1,432.14

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Solution

The fourth proportional to 2,006.70, 3,012.21 and 1,432.14 is: 2,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.70 : 3,012.21 = 1,432.14 : x
  2. Step 2: Convert to fraction form
    2,006.70/3,012.21 = 1,432.14/x
  3. Step 3: Cross multiply
    2,006.70x = 3,012.21 × 1,432.14
  4. Step 4: Simplify right side
    2,006.70x = 4,313,906.43
  5. Step 5: Solve for x
    x = 4,313,906.43/2,006.70
  6. Step 6: Final answer
    x = 2,149.75

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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.