Home / 3,813.86-5,262.08-2,321.84

Finding the Fourth Proportional to 3,813.86, 5,262.08 and 2,321.84

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Solution

The fourth proportional to 3,813.86, 5,262.08 and 2,321.84 is: 3,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.86 : 5,262.08 = 2,321.84 : x
  2. Step 2: Convert to fraction form
    3,813.86/5,262.08 = 2,321.84/x
  3. Step 3: Cross multiply
    3,813.86x = 5,262.08 × 2,321.84
  4. Step 4: Simplify right side
    3,813.86x = 12,217,707.83
  5. Step 5: Solve for x
    x = 12,217,707.83/3,813.86
  6. Step 6: Final answer
    x = 3,203.50

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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.