Home / 2,889.73-4,337.69-2,545.28

Finding the Fourth Proportional to 2,889.73, 4,337.69 and 2,545.28

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Solution

The fourth proportional to 2,889.73, 4,337.69 and 2,545.28 is: 3,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.73 : 4,337.69 = 2,545.28 : x
  2. Step 2: Convert to fraction form
    2,889.73/4,337.69 = 2,545.28/x
  3. Step 3: Cross multiply
    2,889.73x = 4,337.69 × 2,545.28
  4. Step 4: Simplify right side
    2,889.73x = 11,040,617.45
  5. Step 5: Solve for x
    x = 11,040,617.45/2,889.73
  6. Step 6: Final answer
    x = 3,820.64

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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.