Home / 3,423.10-4,723.90-1,910.73

Finding the Fourth Proportional to 3,423.10, 4,723.90 and 1,910.73

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Solution

The fourth proportional to 3,423.10, 4,723.90 and 1,910.73 is: 2,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.10 : 4,723.90 = 1,910.73 : x
  2. Step 2: Convert to fraction form
    3,423.10/4,723.90 = 1,910.73/x
  3. Step 3: Cross multiply
    3,423.10x = 4,723.90 × 1,910.73
  4. Step 4: Simplify right side
    3,423.10x = 9,026,092.67
  5. Step 5: Solve for x
    x = 9,026,092.67/3,423.10
  6. Step 6: Final answer
    x = 2,636.82

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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.