Home / 1,723.18-2,584.77-1,418.82

Finding the Fourth Proportional to 1,723.18, 2,584.77 and 1,418.82

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Solution

The fourth proportional to 1,723.18, 2,584.77 and 1,418.82 is: 2,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.18 : 2,584.77 = 1,418.82 : x
  2. Step 2: Convert to fraction form
    1,723.18/2,584.77 = 1,418.82/x
  3. Step 3: Cross multiply
    1,723.18x = 2,584.77 × 1,418.82
  4. Step 4: Simplify right side
    1,723.18x = 3,667,323.37
  5. Step 5: Solve for x
    x = 3,667,323.37/1,723.18
  6. Step 6: Final answer
    x = 2,128.23

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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.