Home / 2,321.21-3,477.75-1,933.70

Finding the Fourth Proportional to 2,321.21, 3,477.75 and 1,933.70

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Solution

The fourth proportional to 2,321.21, 3,477.75 and 1,933.70 is: 2,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.21 : 3,477.75 = 1,933.70 : x
  2. Step 2: Convert to fraction form
    2,321.21/3,477.75 = 1,933.70/x
  3. Step 3: Cross multiply
    2,321.21x = 3,477.75 × 1,933.70
  4. Step 4: Simplify right side
    2,321.21x = 6,724,907.79
  5. Step 5: Solve for x
    x = 6,724,907.79/2,321.21
  6. Step 6: Final answer
    x = 2,897.16

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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.