Home / 3,606.14-5,400.70-2,820.65

Finding the Fourth Proportional to 3,606.14, 5,400.70 and 2,820.65

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Solution

The fourth proportional to 3,606.14, 5,400.70 and 2,820.65 is: 4,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.14 : 5,400.70 = 2,820.65 : x
  2. Step 2: Convert to fraction form
    3,606.14/5,400.70 = 2,820.65/x
  3. Step 3: Cross multiply
    3,606.14x = 5,400.70 × 2,820.65
  4. Step 4: Simplify right side
    3,606.14x = 15,233,450.40
  5. Step 5: Solve for x
    x = 15,233,450.40/3,606.14
  6. Step 6: Final answer
    x = 4,224.31

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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.