Home / 3,840.09-5,761.77-2,106.69

Finding the Fourth Proportional to 3,840.09, 5,761.77 and 2,106.69

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Solution

The fourth proportional to 3,840.09, 5,761.77 and 2,106.69 is: 3,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.09 : 5,761.77 = 2,106.69 : x
  2. Step 2: Convert to fraction form
    3,840.09/5,761.77 = 2,106.69/x
  3. Step 3: Cross multiply
    3,840.09x = 5,761.77 × 2,106.69
  4. Step 4: Simplify right side
    3,840.09x = 12,138,263.24
  5. Step 5: Solve for x
    x = 12,138,263.24/3,840.09
  6. Step 6: Final answer
    x = 3,160.93

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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.