Home / 3,508.56-5,251.20-2,518.80

Finding the Fourth Proportional to 3,508.56, 5,251.20 and 2,518.80

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Solution

The fourth proportional to 3,508.56, 5,251.20 and 2,518.80 is: 3,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.56 : 5,251.20 = 2,518.80 : x
  2. Step 2: Convert to fraction form
    3,508.56/5,251.20 = 2,518.80/x
  3. Step 3: Cross multiply
    3,508.56x = 5,251.20 × 2,518.80
  4. Step 4: Simplify right side
    3,508.56x = 13,226,722.56
  5. Step 5: Solve for x
    x = 13,226,722.56/3,508.56
  6. Step 6: Final answer
    x = 3,769.84

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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.