Home / 2,919.72-4,371.66-2,394.12

Finding the Fourth Proportional to 2,919.72, 4,371.66 and 2,394.12

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Solution

The fourth proportional to 2,919.72, 4,371.66 and 2,394.12 is: 3,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.72 : 4,371.66 = 2,394.12 : x
  2. Step 2: Convert to fraction form
    2,919.72/4,371.66 = 2,394.12/x
  3. Step 3: Cross multiply
    2,919.72x = 4,371.66 × 2,394.12
  4. Step 4: Simplify right side
    2,919.72x = 10,466,278.64
  5. Step 5: Solve for x
    x = 10,466,278.64/2,919.72
  6. Step 6: Final answer
    x = 3,584.69

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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.