Home / 3,144.62-4,329.72-2,671.58

Finding the Fourth Proportional to 3,144.62, 4,329.72 and 2,671.58

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Solution

The fourth proportional to 3,144.62, 4,329.72 and 2,671.58 is: 3,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.62 : 4,329.72 = 2,671.58 : x
  2. Step 2: Convert to fraction form
    3,144.62/4,329.72 = 2,671.58/x
  3. Step 3: Cross multiply
    3,144.62x = 4,329.72 × 2,671.58
  4. Step 4: Simplify right side
    3,144.62x = 11,567,193.36
  5. Step 5: Solve for x
    x = 11,567,193.36/3,144.62
  6. Step 6: Final answer
    x = 3,678.41

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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.