Home / 2,919.73-4,401.16-2,750.44

Finding the Fourth Proportional to 2,919.73, 4,401.16 and 2,750.44

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Solution

The fourth proportional to 2,919.73, 4,401.16 and 2,750.44 is: 4,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.73 : 4,401.16 = 2,750.44 : x
  2. Step 2: Convert to fraction form
    2,919.73/4,401.16 = 2,750.44/x
  3. Step 3: Cross multiply
    2,919.73x = 4,401.16 × 2,750.44
  4. Step 4: Simplify right side
    2,919.73x = 12,105,126.51
  5. Step 5: Solve for x
    x = 12,105,126.51/2,919.73
  6. Step 6: Final answer
    x = 4,145.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.