Home / 2,838.31-4,253.58-2,144.41

Finding the Fourth Proportional to 2,838.31, 4,253.58 and 2,144.41

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Solution

The fourth proportional to 2,838.31, 4,253.58 and 2,144.41 is: 3,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.31 : 4,253.58 = 2,144.41 : x
  2. Step 2: Convert to fraction form
    2,838.31/4,253.58 = 2,144.41/x
  3. Step 3: Cross multiply
    2,838.31x = 4,253.58 × 2,144.41
  4. Step 4: Simplify right side
    2,838.31x = 9,121,408.85
  5. Step 5: Solve for x
    x = 9,121,408.85/2,838.31
  6. Step 6: Final answer
    x = 3,213.68

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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.