Home / 3,705.48-5,556.17-1,515.75

Finding the Fourth Proportional to 3,705.48, 5,556.17 and 1,515.75

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Solution

The fourth proportional to 3,705.48, 5,556.17 and 1,515.75 is: 2,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.48 : 5,556.17 = 1,515.75 : x
  2. Step 2: Convert to fraction form
    3,705.48/5,556.17 = 1,515.75/x
  3. Step 3: Cross multiply
    3,705.48x = 5,556.17 × 1,515.75
  4. Step 4: Simplify right side
    3,705.48x = 8,421,736.26
  5. Step 5: Solve for x
    x = 8,421,736.26/3,705.48
  6. Step 6: Final answer
    x = 2,272.78

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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.