Home / 1,897.44-2,618.16-1,634.88

Finding the Fourth Proportional to 1,897.44, 2,618.16 and 1,634.88

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Solution

The fourth proportional to 1,897.44, 2,618.16 and 1,634.88 is: 2,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.44 : 2,618.16 = 1,634.88 : x
  2. Step 2: Convert to fraction form
    1,897.44/2,618.16 = 1,634.88/x
  3. Step 3: Cross multiply
    1,897.44x = 2,618.16 × 1,634.88
  4. Step 4: Simplify right side
    1,897.44x = 4,280,377.42
  5. Step 5: Solve for x
    x = 4,280,377.42/1,897.44
  6. Step 6: Final answer
    x = 2,255.87

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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.