Home / 1,936.01-2,672.30-1,237.38

Finding the Fourth Proportional to 1,936.01, 2,672.30 and 1,237.38

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Solution

The fourth proportional to 1,936.01, 2,672.30 and 1,237.38 is: 1,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.01 : 2,672.30 = 1,237.38 : x
  2. Step 2: Convert to fraction form
    1,936.01/2,672.30 = 1,237.38/x
  3. Step 3: Cross multiply
    1,936.01x = 2,672.30 × 1,237.38
  4. Step 4: Simplify right side
    1,936.01x = 3,306,644.39
  5. Step 5: Solve for x
    x = 3,306,644.39/1,936.01
  6. Step 6: Final answer
    x = 1,707.97

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1.5x scale

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.