Home / 2,949.75-4,070.66-1,771.61

Finding the Fourth Proportional to 2,949.75, 4,070.66 and 1,771.61

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Solution

The fourth proportional to 2,949.75, 4,070.66 and 1,771.61 is: 2,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.75 : 4,070.66 = 1,771.61 : x
  2. Step 2: Convert to fraction form
    2,949.75/4,070.66 = 1,771.61/x
  3. Step 3: Cross multiply
    2,949.75x = 4,070.66 × 1,771.61
  4. Step 4: Simplify right side
    2,949.75x = 7,211,592.75
  5. Step 5: Solve for x
    x = 7,211,592.75/2,949.75
  6. Step 6: Final answer
    x = 2,444.81

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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.