Home / 1,946.43-2,920.28-1,166.31

Finding the Fourth Proportional to 1,946.43, 2,920.28 and 1,166.31

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Solution

The fourth proportional to 1,946.43, 2,920.28 and 1,166.31 is: 1,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.43 : 2,920.28 = 1,166.31 : x
  2. Step 2: Convert to fraction form
    1,946.43/2,920.28 = 1,166.31/x
  3. Step 3: Cross multiply
    1,946.43x = 2,920.28 × 1,166.31
  4. Step 4: Simplify right side
    1,946.43x = 3,405,951.77
  5. Step 5: Solve for x
    x = 3,405,951.77/1,946.43
  6. Step 6: Final answer
    x = 1,749.85

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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.