Home / 3,556.20-5,327.10-2,908.20

Finding the Fourth Proportional to 3,556.20, 5,327.10 and 2,908.20

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Solution

The fourth proportional to 3,556.20, 5,327.10 and 2,908.20 is: 4,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.20 : 5,327.10 = 2,908.20 : x
  2. Step 2: Convert to fraction form
    3,556.20/5,327.10 = 2,908.20/x
  3. Step 3: Cross multiply
    3,556.20x = 5,327.10 × 2,908.20
  4. Step 4: Simplify right side
    3,556.20x = 15,492,272.22
  5. Step 5: Solve for x
    x = 15,492,272.22/3,556.20
  6. Step 6: Final answer
    x = 4,356.41

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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.