Home / 1,946.36-2,919.72-1,295.12

Finding the Fourth Proportional to 1,946.36, 2,919.72 and 1,295.12

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Solution

The fourth proportional to 1,946.36, 2,919.72 and 1,295.12 is: 1,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.36 : 2,919.72 = 1,295.12 : x
  2. Step 2: Convert to fraction form
    1,946.36/2,919.72 = 1,295.12/x
  3. Step 3: Cross multiply
    1,946.36x = 2,919.72 × 1,295.12
  4. Step 4: Simplify right side
    1,946.36x = 3,781,387.77
  5. Step 5: Solve for x
    x = 3,781,387.77/1,946.36
  6. Step 6: Final answer
    x = 1,942.80

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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.