Home / 3,414.18-5,120.04-2,319.48

Finding the Fourth Proportional to 3,414.18, 5,120.04 and 2,319.48

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Solution

The fourth proportional to 3,414.18, 5,120.04 and 2,319.48 is: 3,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.18 : 5,120.04 = 2,319.48 : x
  2. Step 2: Convert to fraction form
    3,414.18/5,120.04 = 2,319.48/x
  3. Step 3: Cross multiply
    3,414.18x = 5,120.04 × 2,319.48
  4. Step 4: Simplify right side
    3,414.18x = 11,875,830.38
  5. Step 5: Solve for x
    x = 11,875,830.38/3,414.18
  6. Step 6: Final answer
    x = 3,478.38

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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.