Home / 2,107.10-3,158.19-1,585.43

Finding the Fourth Proportional to 2,107.10, 3,158.19 and 1,585.43

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Solution

The fourth proportional to 2,107.10, 3,158.19 and 1,585.43 is: 2,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.10 : 3,158.19 = 1,585.43 : x
  2. Step 2: Convert to fraction form
    2,107.10/3,158.19 = 1,585.43/x
  3. Step 3: Cross multiply
    2,107.10x = 3,158.19 × 1,585.43
  4. Step 4: Simplify right side
    2,107.10x = 5,007,073.38
  5. Step 5: Solve for x
    x = 5,007,073.38/2,107.10
  6. Step 6: Final answer
    x = 2,376.29

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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.