Home / 2,912.10-4,368.12-1,351.62

Finding the Fourth Proportional to 2,912.10, 4,368.12 and 1,351.62

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Solution

The fourth proportional to 2,912.10, 4,368.12 and 1,351.62 is: 2,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.10 : 4,368.12 = 1,351.62 : x
  2. Step 2: Convert to fraction form
    2,912.10/4,368.12 = 1,351.62/x
  3. Step 3: Cross multiply
    2,912.10x = 4,368.12 × 1,351.62
  4. Step 4: Simplify right side
    2,912.10x = 5,904,038.35
  5. Step 5: Solve for x
    x = 5,904,038.35/2,912.10
  6. Step 6: Final answer
    x = 2,027.42

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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.