Home / 3,946.44-5,917.59-1,969.92

Finding the Fourth Proportional to 3,946.44, 5,917.59 and 1,969.92

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Solution

The fourth proportional to 3,946.44, 5,917.59 and 1,969.92 is: 2,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.44 : 5,917.59 = 1,969.92 : x
  2. Step 2: Convert to fraction form
    3,946.44/5,917.59 = 1,969.92/x
  3. Step 3: Cross multiply
    3,946.44x = 5,917.59 × 1,969.92
  4. Step 4: Simplify right side
    3,946.44x = 11,657,178.89
  5. Step 5: Solve for x
    x = 11,657,178.89/3,946.44
  6. Step 6: Final answer
    x = 2,953.85

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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.