Home / 2,943.06-4,060.86-1,999.62

Finding the Fourth Proportional to 2,943.06, 4,060.86 and 1,999.62

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Solution

The fourth proportional to 2,943.06, 4,060.86 and 1,999.62 is: 2,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.06 : 4,060.86 = 1,999.62 : x
  2. Step 2: Convert to fraction form
    2,943.06/4,060.86 = 1,999.62/x
  3. Step 3: Cross multiply
    2,943.06x = 4,060.86 × 1,999.62
  4. Step 4: Simplify right side
    2,943.06x = 8,120,176.87
  5. Step 5: Solve for x
    x = 8,120,176.87/2,943.06
  6. Step 6: Final answer
    x = 2,759.09

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1.5x scale

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.