Home / 1,946.36-2,920.62-1,166.60

Finding the Fourth Proportional to 1,946.36, 2,920.62 and 1,166.60

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Solution

The fourth proportional to 1,946.36, 2,920.62 and 1,166.60 is: 1,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.36 : 2,920.62 = 1,166.60 : x
  2. Step 2: Convert to fraction form
    1,946.36/2,920.62 = 1,166.60/x
  3. Step 3: Cross multiply
    1,946.36x = 2,920.62 × 1,166.60
  4. Step 4: Simplify right side
    1,946.36x = 3,407,195.29
  5. Step 5: Solve for x
    x = 3,407,195.29/1,946.36
  6. Step 6: Final answer
    x = 1,750.55

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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.