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Finding the Fourth Proportional to 1,938.93, 2,906.07 and 897.52

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Solution

The fourth proportional to 1,938.93, 2,906.07 and 897.52 is: 1,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.93 : 2,906.07 = 897.52 : x
  2. Step 2: Convert to fraction form
    1,938.93/2,906.07 = 897.52/x
  3. Step 3: Cross multiply
    1,938.93x = 2,906.07 × 897.52
  4. Step 4: Simplify right side
    1,938.93x = 2,608,255.95
  5. Step 5: Solve for x
    x = 2,608,255.95/1,938.93
  6. Step 6: Final answer
    x = 1,345.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.