Home / 3,414.88-5,097.65-2,919.16

Finding the Fourth Proportional to 3,414.88, 5,097.65 and 2,919.16

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Solution

The fourth proportional to 3,414.88, 5,097.65 and 2,919.16 is: 4,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.88 : 5,097.65 = 2,919.16 : x
  2. Step 2: Convert to fraction form
    3,414.88/5,097.65 = 2,919.16/x
  3. Step 3: Cross multiply
    3,414.88x = 5,097.65 × 2,919.16
  4. Step 4: Simplify right side
    3,414.88x = 14,880,855.97
  5. Step 5: Solve for x
    x = 14,880,855.97/3,414.88
  6. Step 6: Final answer
    x = 4,357.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.