Home / 2,795.11-4,185.07-1,971.34

Finding the Fourth Proportional to 2,795.11, 4,185.07 and 1,971.34

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Solution

The fourth proportional to 2,795.11, 4,185.07 and 1,971.34 is: 2,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.11 : 4,185.07 = 1,971.34 : x
  2. Step 2: Convert to fraction form
    2,795.11/4,185.07 = 1,971.34/x
  3. Step 3: Cross multiply
    2,795.11x = 4,185.07 × 1,971.34
  4. Step 4: Simplify right side
    2,795.11x = 8,250,180.50
  5. Step 5: Solve for x
    x = 8,250,180.50/2,795.11
  6. Step 6: Final answer
    x = 2,951.65

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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.