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Finding the Fourth Proportional to 3,092.70, 4,640.24 and 1,860.99

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Solution

The fourth proportional to 3,092.70, 4,640.24 and 1,860.99 is: 2,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.70 : 4,640.24 = 1,860.99 : x
  2. Step 2: Convert to fraction form
    3,092.70/4,640.24 = 1,860.99/x
  3. Step 3: Cross multiply
    3,092.70x = 4,640.24 × 1,860.99
  4. Step 4: Simplify right side
    3,092.70x = 8,635,440.24
  5. Step 5: Solve for x
    x = 8,635,440.24/3,092.70
  6. Step 6: Final answer
    x = 2,792.20

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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.