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Finding the Fourth Proportional to 3,340, 4,609.29 and 1,847.95

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Solution

The fourth proportional to 3,340, 4,609.29 and 1,847.95 is: 2,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340 : 4,609.29 = 1,847.95 : x
  2. Step 2: Convert to fraction form
    3,340/4,609.29 = 1,847.95/x
  3. Step 3: Cross multiply
    3,340x = 4,609.29 × 1,847.95
  4. Step 4: Simplify right side
    3,340x = 8,517,737.46
  5. Step 5: Solve for x
    x = 8,517,737.46/3,340
  6. Step 6: Final answer
    x = 2,550.22

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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.