Home / 1,935.63-2,671.25-1,271.97

Finding the Fourth Proportional to 1,935.63, 2,671.25 and 1,271.97

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Solution

The fourth proportional to 1,935.63, 2,671.25 and 1,271.97 is: 1,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.63 : 2,671.25 = 1,271.97 : x
  2. Step 2: Convert to fraction form
    1,935.63/2,671.25 = 1,271.97/x
  3. Step 3: Cross multiply
    1,935.63x = 2,671.25 × 1,271.97
  4. Step 4: Simplify right side
    1,935.63x = 3,397,743.50
  5. Step 5: Solve for x
    x = 3,397,743.50/1,935.63
  6. Step 6: Final answer
    x = 1,755.37

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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.