Home / 3,827.66-5,740.94-1,230.26

Finding the Fourth Proportional to 3,827.66, 5,740.94 and 1,230.26

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Solution

The fourth proportional to 3,827.66, 5,740.94 and 1,230.26 is: 1,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.66 : 5,740.94 = 1,230.26 : x
  2. Step 2: Convert to fraction form
    3,827.66/5,740.94 = 1,230.26/x
  3. Step 3: Cross multiply
    3,827.66x = 5,740.94 × 1,230.26
  4. Step 4: Simplify right side
    3,827.66x = 7,062,848.84
  5. Step 5: Solve for x
    x = 7,062,848.84/3,827.66
  6. Step 6: Final answer
    x = 1,845.21

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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.