Home / 3,899.24-5,379.74-2,306.07

Finding the Fourth Proportional to 3,899.24, 5,379.74 and 2,306.07

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Solution

The fourth proportional to 3,899.24, 5,379.74 and 2,306.07 is: 3,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.24 : 5,379.74 = 2,306.07 : x
  2. Step 2: Convert to fraction form
    3,899.24/5,379.74 = 2,306.07/x
  3. Step 3: Cross multiply
    3,899.24x = 5,379.74 × 2,306.07
  4. Step 4: Simplify right side
    3,899.24x = 12,406,060.63
  5. Step 5: Solve for x
    x = 12,406,060.63/3,899.24
  6. Step 6: Final answer
    x = 3,181.66

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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.