Home / 3,144.42-4,329.36-2,556.90

Finding the Fourth Proportional to 3,144.42, 4,329.36 and 2,556.90

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Solution

The fourth proportional to 3,144.42, 4,329.36 and 2,556.90 is: 3,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.42 : 4,329.36 = 2,556.90 : x
  2. Step 2: Convert to fraction form
    3,144.42/4,329.36 = 2,556.90/x
  3. Step 3: Cross multiply
    3,144.42x = 4,329.36 × 2,556.90
  4. Step 4: Simplify right side
    3,144.42x = 11,069,740.58
  5. Step 5: Solve for x
    x = 11,069,740.58/3,144.42
  6. Step 6: Final answer
    x = 3,520.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.