Home / 3,521.19-4,860.23-2,105.85

Finding the Fourth Proportional to 3,521.19, 4,860.23 and 2,105.85

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Solution

The fourth proportional to 3,521.19, 4,860.23 and 2,105.85 is: 2,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.19 : 4,860.23 = 2,105.85 : x
  2. Step 2: Convert to fraction form
    3,521.19/4,860.23 = 2,105.85/x
  3. Step 3: Cross multiply
    3,521.19x = 4,860.23 × 2,105.85
  4. Step 4: Simplify right side
    3,521.19x = 10,234,915.35
  5. Step 5: Solve for x
    x = 10,234,915.35/3,521.19
  6. Step 6: Final answer
    x = 2,906.66

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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.