Home / 2,939.08-4,054.98-2,005.96

Finding the Fourth Proportional to 2,939.08, 4,054.98 and 2,005.96

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Solution

The fourth proportional to 2,939.08, 4,054.98 and 2,005.96 is: 2,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.08 : 4,054.98 = 2,005.96 : x
  2. Step 2: Convert to fraction form
    2,939.08/4,054.98 = 2,005.96/x
  3. Step 3: Cross multiply
    2,939.08x = 4,054.98 × 2,005.96
  4. Step 4: Simplify right side
    2,939.08x = 8,134,127.68
  5. Step 5: Solve for x
    x = 8,134,127.68/2,939.08
  6. Step 6: Final answer
    x = 2,767.58

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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.