Home / 3,579.08-4,939.16-2,087.91

Finding the Fourth Proportional to 3,579.08, 4,939.16 and 2,087.91

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Solution

The fourth proportional to 3,579.08, 4,939.16 and 2,087.91 is: 2,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.08 : 4,939.16 = 2,087.91 : x
  2. Step 2: Convert to fraction form
    3,579.08/4,939.16 = 2,087.91/x
  3. Step 3: Cross multiply
    3,579.08x = 4,939.16 × 2,087.91
  4. Step 4: Simplify right side
    3,579.08x = 10,312,511.12
  5. Step 5: Solve for x
    x = 10,312,511.12/3,579.08
  6. Step 6: Final answer
    x = 2,881.33

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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.