Home / 1,997.48-2,755.35-1,367.70

Finding the Fourth Proportional to 1,997.48, 2,755.35 and 1,367.70

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Solution

The fourth proportional to 1,997.48, 2,755.35 and 1,367.70 is: 1,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.48 : 2,755.35 = 1,367.70 : x
  2. Step 2: Convert to fraction form
    1,997.48/2,755.35 = 1,367.70/x
  3. Step 3: Cross multiply
    1,997.48x = 2,755.35 × 1,367.70
  4. Step 4: Simplify right side
    1,997.48x = 3,768,492.20
  5. Step 5: Solve for x
    x = 3,768,492.20/1,997.48
  6. Step 6: Final answer
    x = 1,886.63

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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.