Home / 3,898-5,379.36-2,242

Finding the Fourth Proportional to 3,898, 5,379.36 and 2,242

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Solution

The fourth proportional to 3,898, 5,379.36 and 2,242 is: 3,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898 : 5,379.36 = 2,242 : x
  2. Step 2: Convert to fraction form
    3,898/5,379.36 = 2,242/x
  3. Step 3: Cross multiply
    3,898x = 5,379.36 × 2,242
  4. Step 4: Simplify right side
    3,898x = 12,060,525.12
  5. Step 5: Solve for x
    x = 12,060,525.12/3,898
  6. Step 6: Final answer
    x = 3,094.03

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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.