Home / 3,914.19-5,872.91-1,607.31

Finding the Fourth Proportional to 3,914.19, 5,872.91 and 1,607.31

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Solution

The fourth proportional to 3,914.19, 5,872.91 and 1,607.31 is: 2,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.19 : 5,872.91 = 1,607.31 : x
  2. Step 2: Convert to fraction form
    3,914.19/5,872.91 = 1,607.31/x
  3. Step 3: Cross multiply
    3,914.19x = 5,872.91 × 1,607.31
  4. Step 4: Simplify right side
    3,914.19x = 9,439,578.94
  5. Step 5: Solve for x
    x = 9,439,578.94/3,914.19
  6. Step 6: Final answer
    x = 2,411.63

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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.