Home / 1,962.44-2,708.85-1,374.69

Finding the Fourth Proportional to 1,962.44, 2,708.85 and 1,374.69

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Solution

The fourth proportional to 1,962.44, 2,708.85 and 1,374.69 is: 1,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.44 : 2,708.85 = 1,374.69 : x
  2. Step 2: Convert to fraction form
    1,962.44/2,708.85 = 1,374.69/x
  3. Step 3: Cross multiply
    1,962.44x = 2,708.85 × 1,374.69
  4. Step 4: Simplify right side
    1,962.44x = 3,723,829.01
  5. Step 5: Solve for x
    x = 3,723,829.01/1,962.44
  6. Step 6: Final answer
    x = 1,897.55

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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.