Home / 3,705.60-5,556.30-1,511.76

Finding the Fourth Proportional to 3,705.60, 5,556.30 and 1,511.76

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Solution

The fourth proportional to 3,705.60, 5,556.30 and 1,511.76 is: 2,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.60 : 5,556.30 = 1,511.76 : x
  2. Step 2: Convert to fraction form
    3,705.60/5,556.30 = 1,511.76/x
  3. Step 3: Cross multiply
    3,705.60x = 5,556.30 × 1,511.76
  4. Step 4: Simplify right side
    3,705.60x = 8,399,792.09
  5. Step 5: Solve for x
    x = 8,399,792.09/3,705.60
  6. Step 6: Final answer
    x = 2,266.78

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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.