Home / 1,939.35-2,908.74-1,612.41

Finding the Fourth Proportional to 1,939.35, 2,908.74 and 1,612.41

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Solution

The fourth proportional to 1,939.35, 2,908.74 and 1,612.41 is: 2,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.35 : 2,908.74 = 1,612.41 : x
  2. Step 2: Convert to fraction form
    1,939.35/2,908.74 = 1,612.41/x
  3. Step 3: Cross multiply
    1,939.35x = 2,908.74 × 1,612.41
  4. Step 4: Simplify right side
    1,939.35x = 4,690,081.46
  5. Step 5: Solve for x
    x = 4,690,081.46/1,939.35
  6. Step 6: Final answer
    x = 2,418.38

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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.