Home / 3,556.68-5,334.16-1,581.22

Finding the Fourth Proportional to 3,556.68, 5,334.16 and 1,581.22

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Solution

The fourth proportional to 3,556.68, 5,334.16 and 1,581.22 is: 2,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.68 : 5,334.16 = 1,581.22 : x
  2. Step 2: Convert to fraction form
    3,556.68/5,334.16 = 1,581.22/x
  3. Step 3: Cross multiply
    3,556.68x = 5,334.16 × 1,581.22
  4. Step 4: Simplify right side
    3,556.68x = 8,434,480.48
  5. Step 5: Solve for x
    x = 8,434,480.48/3,556.68
  6. Step 6: Final answer
    x = 2,371.45

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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.