Home / 1,589.19-2,383.77-403.23

Finding the Fourth Proportional to 1,589.19, 2,383.77 and 403.23

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Solution

The fourth proportional to 1,589.19, 2,383.77 and 403.23 is: 604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.19 : 2,383.77 = 403.23 : x
  2. Step 2: Convert to fraction form
    1,589.19/2,383.77 = 403.23/x
  3. Step 3: Cross multiply
    1,589.19x = 2,383.77 × 403.23
  4. Step 4: Simplify right side
    1,589.19x = 961,195.66
  5. Step 5: Solve for x
    x = 961,195.66/1,589.19
  6. Step 6: Final answer
    x = 604.84

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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.