Home / 3,898.07-5,379.44-2,327.07

Finding the Fourth Proportional to 3,898.07, 5,379.44 and 2,327.07

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Solution

The fourth proportional to 3,898.07, 5,379.44 and 2,327.07 is: 3,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.07 : 5,379.44 = 2,327.07 : x
  2. Step 2: Convert to fraction form
    3,898.07/5,379.44 = 2,327.07/x
  3. Step 3: Cross multiply
    3,898.07x = 5,379.44 × 2,327.07
  4. Step 4: Simplify right side
    3,898.07x = 12,518,321.81
  5. Step 5: Solve for x
    x = 12,518,321.81/3,898.07
  6. Step 6: Final answer
    x = 3,211.42

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1.5x scale

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.