Home / 3,230.13-4,845.69-1,381.25

Finding the Fourth Proportional to 3,230.13, 4,845.69 and 1,381.25

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Solution

The fourth proportional to 3,230.13, 4,845.69 and 1,381.25 is: 2,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.13 : 4,845.69 = 1,381.25 : x
  2. Step 2: Convert to fraction form
    3,230.13/4,845.69 = 1,381.25/x
  3. Step 3: Cross multiply
    3,230.13x = 4,845.69 × 1,381.25
  4. Step 4: Simplify right side
    3,230.13x = 6,693,102.41
  5. Step 5: Solve for x
    x = 6,693,102.41/3,230.13
  6. Step 6: Final answer
    x = 2,072.08

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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.