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Finding the Fourth Proportional to 1,825.73, 2,520.05 and 1,579.69

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Solution

The fourth proportional to 1,825.73, 2,520.05 and 1,579.69 is: 2,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.73 : 2,520.05 = 1,579.69 : x
  2. Step 2: Convert to fraction form
    1,825.73/2,520.05 = 1,579.69/x
  3. Step 3: Cross multiply
    1,825.73x = 2,520.05 × 1,579.69
  4. Step 4: Simplify right side
    1,825.73x = 3,980,889.51
  5. Step 5: Solve for x
    x = 3,980,889.51/1,825.73
  6. Step 6: Final answer
    x = 2,180.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.