Home / 3,946.74-5,917.36-1,997.61

Finding the Fourth Proportional to 3,946.74, 5,917.36 and 1,997.61

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Solution

The fourth proportional to 3,946.74, 5,917.36 and 1,997.61 is: 2,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.74 : 5,917.36 = 1,997.61 : x
  2. Step 2: Convert to fraction form
    3,946.74/5,917.36 = 1,997.61/x
  3. Step 3: Cross multiply
    3,946.74x = 5,917.36 × 1,997.61
  4. Step 4: Simplify right side
    3,946.74x = 11,820,577.51
  5. Step 5: Solve for x
    x = 11,820,577.51/3,946.74
  6. Step 6: Final answer
    x = 2,995.02

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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.