Home / 3,397.75-4,688.89-1,906.00

Finding the Fourth Proportional to 3,397.75, 4,688.89 and 1,906.00

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Solution

The fourth proportional to 3,397.75, 4,688.89 and 1,906.00 is: 2,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.75 : 4,688.89 = 1,906.00 : x
  2. Step 2: Convert to fraction form
    3,397.75/4,688.89 = 1,906.00/x
  3. Step 3: Cross multiply
    3,397.75x = 4,688.89 × 1,906.00
  4. Step 4: Simplify right side
    3,397.75x = 8,937,007.85
  5. Step 5: Solve for x
    x = 8,937,007.85/3,397.75
  6. Step 6: Final answer
    x = 2,630.27

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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.