Home / 3,004.12-4,505.51-812.36

Finding the Fourth Proportional to 3,004.12, 4,505.51 and 812.36

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Solution

The fourth proportional to 3,004.12, 4,505.51 and 812.36 is: 1,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.12 : 4,505.51 = 812.36 : x
  2. Step 2: Convert to fraction form
    3,004.12/4,505.51 = 812.36/x
  3. Step 3: Cross multiply
    3,004.12x = 4,505.51 × 812.36
  4. Step 4: Simplify right side
    3,004.12x = 3,660,096.10
  5. Step 5: Solve for x
    x = 3,660,096.10/3,004.12
  6. Step 6: Final answer
    x = 1,218.36

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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.