Home / 2,906.32-4,009.68-1,843.81

Finding the Fourth Proportional to 2,906.32, 4,009.68 and 1,843.81

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Solution

The fourth proportional to 2,906.32, 4,009.68 and 1,843.81 is: 2,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.32 : 4,009.68 = 1,843.81 : x
  2. Step 2: Convert to fraction form
    2,906.32/4,009.68 = 1,843.81/x
  3. Step 3: Cross multiply
    2,906.32x = 4,009.68 × 1,843.81
  4. Step 4: Simplify right side
    2,906.32x = 7,393,088.08
  5. Step 5: Solve for x
    x = 7,393,088.08/2,906.32
  6. Step 6: Final answer
    x = 2,543.80

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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.