Home / 1,963.42-2,708.30-1,166.20

Finding the Fourth Proportional to 1,963.42, 2,708.30 and 1,166.20

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Solution

The fourth proportional to 1,963.42, 2,708.30 and 1,166.20 is: 1,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.42 : 2,708.30 = 1,166.20 : x
  2. Step 2: Convert to fraction form
    1,963.42/2,708.30 = 1,166.20/x
  3. Step 3: Cross multiply
    1,963.42x = 2,708.30 × 1,166.20
  4. Step 4: Simplify right side
    1,963.42x = 3,158,415.60
  5. Step 5: Solve for x
    x = 3,158,415.60/1,963.42
  6. Step 6: Final answer
    x = 1,608.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.