Home / 3,006.20-4,514.10-2,190.20

Finding the Fourth Proportional to 3,006.20, 4,514.10 and 2,190.20

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Solution

The fourth proportional to 3,006.20, 4,514.10 and 2,190.20 is: 3,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.20 : 4,514.10 = 2,190.20 : x
  2. Step 2: Convert to fraction form
    3,006.20/4,514.10 = 2,190.20/x
  3. Step 3: Cross multiply
    3,006.20x = 4,514.10 × 2,190.20
  4. Step 4: Simplify right side
    3,006.20x = 9,886,781.82
  5. Step 5: Solve for x
    x = 9,886,781.82/3,006.20
  6. Step 6: Final answer
    x = 3,288.80

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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.