Home / 1,939.43-2,912.10-1,710.25

Finding the Fourth Proportional to 1,939.43, 2,912.10 and 1,710.25

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Solution

The fourth proportional to 1,939.43, 2,912.10 and 1,710.25 is: 2,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.43 : 2,912.10 = 1,710.25 : x
  2. Step 2: Convert to fraction form
    1,939.43/2,912.10 = 1,710.25/x
  3. Step 3: Cross multiply
    1,939.43x = 2,912.10 × 1,710.25
  4. Step 4: Simplify right side
    1,939.43x = 4,980,414.95
  5. Step 5: Solve for x
    x = 4,980,414.95/1,939.43
  6. Step 6: Final answer
    x = 2,567.98

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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.