Home / 2,919.77-4,029.63-1,844.61

Finding the Fourth Proportional to 2,919.77, 4,029.63 and 1,844.61

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Solution

The fourth proportional to 2,919.77, 4,029.63 and 1,844.61 is: 2,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.77 : 4,029.63 = 1,844.61 : x
  2. Step 2: Convert to fraction form
    2,919.77/4,029.63 = 1,844.61/x
  3. Step 3: Cross multiply
    2,919.77x = 4,029.63 × 1,844.61
  4. Step 4: Simplify right side
    2,919.77x = 7,433,095.79
  5. Step 5: Solve for x
    x = 7,433,095.79/2,919.77
  6. Step 6: Final answer
    x = 2,545.78

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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.