Home / 1,962.44-2,708.14-1,078.23

Finding the Fourth Proportional to 1,962.44, 2,708.14 and 1,078.23

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Solution

The fourth proportional to 1,962.44, 2,708.14 and 1,078.23 is: 1,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.44 : 2,708.14 = 1,078.23 : x
  2. Step 2: Convert to fraction form
    1,962.44/2,708.14 = 1,078.23/x
  3. Step 3: Cross multiply
    1,962.44x = 2,708.14 × 1,078.23
  4. Step 4: Simplify right side
    1,962.44x = 2,919,978.86
  5. Step 5: Solve for x
    x = 2,919,978.86/1,962.44
  6. Step 6: Final answer
    x = 1,487.93

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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.