Home / 1,939.19-2,906.48-1,351.01

Finding the Fourth Proportional to 1,939.19, 2,906.48 and 1,351.01

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Solution

The fourth proportional to 1,939.19, 2,906.48 and 1,351.01 is: 2,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.19 : 2,906.48 = 1,351.01 : x
  2. Step 2: Convert to fraction form
    1,939.19/2,906.48 = 1,351.01/x
  3. Step 3: Cross multiply
    1,939.19x = 2,906.48 × 1,351.01
  4. Step 4: Simplify right side
    1,939.19x = 3,926,673.16
  5. Step 5: Solve for x
    x = 3,926,673.16/1,939.19
  6. Step 6: Final answer
    x = 2,024.90

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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.