Home / 1,965.31-2,695.50-1,743.87

Finding the Fourth Proportional to 1,965.31, 2,695.50 and 1,743.87

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Solution

The fourth proportional to 1,965.31, 2,695.50 and 1,743.87 is: 2,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.31 : 2,695.50 = 1,743.87 : x
  2. Step 2: Convert to fraction form
    1,965.31/2,695.50 = 1,743.87/x
  3. Step 3: Cross multiply
    1,965.31x = 2,695.50 × 1,743.87
  4. Step 4: Simplify right side
    1,965.31x = 4,700,601.59
  5. Step 5: Solve for x
    x = 4,700,601.59/1,965.31
  6. Step 6: Final answer
    x = 2,391.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.