Home / 3,423.63-5,144.10-3,285.24

Finding the Fourth Proportional to 3,423.63, 5,144.10 and 3,285.24

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Solution

The fourth proportional to 3,423.63, 5,144.10 and 3,285.24 is: 4,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.63 : 5,144.10 = 3,285.24 : x
  2. Step 2: Convert to fraction form
    3,423.63/5,144.10 = 3,285.24/x
  3. Step 3: Cross multiply
    3,423.63x = 5,144.10 × 3,285.24
  4. Step 4: Simplify right side
    3,423.63x = 16,899,560.94
  5. Step 5: Solve for x
    x = 16,899,560.94/3,423.63
  6. Step 6: Final answer
    x = 4,936.15

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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.