Home / 1,525.88-2,105.43-1,027.73

Finding the Fourth Proportional to 1,525.88, 2,105.43 and 1,027.73

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Solution

The fourth proportional to 1,525.88, 2,105.43 and 1,027.73 is: 1,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.88 : 2,105.43 = 1,027.73 : x
  2. Step 2: Convert to fraction form
    1,525.88/2,105.43 = 1,027.73/x
  3. Step 3: Cross multiply
    1,525.88x = 2,105.43 × 1,027.73
  4. Step 4: Simplify right side
    1,525.88x = 2,163,813.57
  5. Step 5: Solve for x
    x = 2,163,813.57/1,525.88
  6. Step 6: Final answer
    x = 1,418.08

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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.