Home / 2,919.51-4,029.84-2,035.62

Finding the Fourth Proportional to 2,919.51, 4,029.84 and 2,035.62

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Solution

The fourth proportional to 2,919.51, 4,029.84 and 2,035.62 is: 2,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.51 : 4,029.84 = 2,035.62 : x
  2. Step 2: Convert to fraction form
    2,919.51/4,029.84 = 2,035.62/x
  3. Step 3: Cross multiply
    2,919.51x = 4,029.84 × 2,035.62
  4. Step 4: Simplify right side
    2,919.51x = 8,203,222.90
  5. Step 5: Solve for x
    x = 8,203,222.90/2,919.51
  6. Step 6: Final answer
    x = 2,809.79

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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.