Home / 4,238.22-6,357.18-1,605.62

Finding the Fourth Proportional to 4,238.22, 6,357.18 and 1,605.62

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Solution

The fourth proportional to 4,238.22, 6,357.18 and 1,605.62 is: 2,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.22 : 6,357.18 = 1,605.62 : x
  2. Step 2: Convert to fraction form
    4,238.22/6,357.18 = 1,605.62/x
  3. Step 3: Cross multiply
    4,238.22x = 6,357.18 × 1,605.62
  4. Step 4: Simplify right side
    4,238.22x = 10,207,183.57
  5. Step 5: Solve for x
    x = 10,207,183.57/4,238.22
  6. Step 6: Final answer
    x = 2,408.37

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1.5x scale

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.