Home / 1,927.26-2,887.62-1,376.64

Finding the Fourth Proportional to 1,927.26, 2,887.62 and 1,376.64

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Solution

The fourth proportional to 1,927.26, 2,887.62 and 1,376.64 is: 2,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.26 : 2,887.62 = 1,376.64 : x
  2. Step 2: Convert to fraction form
    1,927.26/2,887.62 = 1,376.64/x
  3. Step 3: Cross multiply
    1,927.26x = 2,887.62 × 1,376.64
  4. Step 4: Simplify right side
    1,927.26x = 3,975,213.20
  5. Step 5: Solve for x
    x = 3,975,213.20/1,927.26
  6. Step 6: Final answer
    x = 2,062.62

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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.