Home / 3,905.19-5,859-2,055.96

Finding the Fourth Proportional to 3,905.19, 5,859 and 2,055.96

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Solution

The fourth proportional to 3,905.19, 5,859 and 2,055.96 is: 3,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.19 : 5,859 = 2,055.96 : x
  2. Step 2: Convert to fraction form
    3,905.19/5,859 = 2,055.96/x
  3. Step 3: Cross multiply
    3,905.19x = 5,859 × 2,055.96
  4. Step 4: Simplify right side
    3,905.19x = 12,045,869.64
  5. Step 5: Solve for x
    x = 12,045,869.64/3,905.19
  6. Step 6: Final answer
    x = 3,084.58

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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.