Home / 3,319.38-4,578.12-3,095.82

Finding the Fourth Proportional to 3,319.38, 4,578.12 and 3,095.82

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Solution

The fourth proportional to 3,319.38, 4,578.12 and 3,095.82 is: 4,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.38 : 4,578.12 = 3,095.82 : x
  2. Step 2: Convert to fraction form
    3,319.38/4,578.12 = 3,095.82/x
  3. Step 3: Cross multiply
    3,319.38x = 4,578.12 × 3,095.82
  4. Step 4: Simplify right side
    3,319.38x = 14,173,035.46
  5. Step 5: Solve for x
    x = 14,173,035.46/3,319.38
  6. Step 6: Final answer
    x = 4,269.78

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1.5x scale

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.