Home / 3,828.16-5,740.96-1,230.48

Finding the Fourth Proportional to 3,828.16, 5,740.96 and 1,230.48

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Solution

The fourth proportional to 3,828.16, 5,740.96 and 1,230.48 is: 1,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.16 : 5,740.96 = 1,230.48 : x
  2. Step 2: Convert to fraction form
    3,828.16/5,740.96 = 1,230.48/x
  3. Step 3: Cross multiply
    3,828.16x = 5,740.96 × 1,230.48
  4. Step 4: Simplify right side
    3,828.16x = 7,064,136.46
  5. Step 5: Solve for x
    x = 7,064,136.46/3,828.16
  6. Step 6: Final answer
    x = 1,845.31

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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.