Home / 1,914.08-2,872.26-1,792.60

Finding the Fourth Proportional to 1,914.08, 2,872.26 and 1,792.60

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Solution

The fourth proportional to 1,914.08, 2,872.26 and 1,792.60 is: 2,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.08 : 2,872.26 = 1,792.60 : x
  2. Step 2: Convert to fraction form
    1,914.08/2,872.26 = 1,792.60/x
  3. Step 3: Cross multiply
    1,914.08x = 2,872.26 × 1,792.60
  4. Step 4: Simplify right side
    1,914.08x = 5,148,812.15
  5. Step 5: Solve for x
    x = 5,148,812.15/1,914.08
  6. Step 6: Final answer
    x = 2,689.97

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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.