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Finding the Fourth Proportional to 1,523.00, 2,103.02 and 1,027.28

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Solution

The fourth proportional to 1,523.00, 2,103.02 and 1,027.28 is: 1,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.00 : 2,103.02 = 1,027.28 : x
  2. Step 2: Convert to fraction form
    1,523.00/2,103.02 = 1,027.28/x
  3. Step 3: Cross multiply
    1,523.00x = 2,103.02 × 1,027.28
  4. Step 4: Simplify right side
    1,523.00x = 2,160,398.21
  5. Step 5: Solve for x
    x = 2,160,398.21/1,523.00
  6. Step 6: Final answer
    x = 1,418.51

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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.