Home / 2,874.79-4,318.32-2,058.31

Finding the Fourth Proportional to 2,874.79, 4,318.32 and 2,058.31

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Solution

The fourth proportional to 2,874.79, 4,318.32 and 2,058.31 is: 3,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.79 : 4,318.32 = 2,058.31 : x
  2. Step 2: Convert to fraction form
    2,874.79/4,318.32 = 2,058.31/x
  3. Step 3: Cross multiply
    2,874.79x = 4,318.32 × 2,058.31
  4. Step 4: Simplify right side
    2,874.79x = 8,888,419.65
  5. Step 5: Solve for x
    x = 8,888,419.65/2,874.79
  6. Step 6: Final answer
    x = 3,091.86

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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.