Home / 3,319.92-4,582.18-1,903.82

Finding the Fourth Proportional to 3,319.92, 4,582.18 and 1,903.82

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Solution

The fourth proportional to 3,319.92, 4,582.18 and 1,903.82 is: 2,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.92 : 4,582.18 = 1,903.82 : x
  2. Step 2: Convert to fraction form
    3,319.92/4,582.18 = 1,903.82/x
  3. Step 3: Cross multiply
    3,319.92x = 4,582.18 × 1,903.82
  4. Step 4: Simplify right side
    3,319.92x = 8,723,645.93
  5. Step 5: Solve for x
    x = 8,723,645.93/3,319.92
  6. Step 6: Final answer
    x = 2,627.67

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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.