Home / 2,615.37-3,609.09-1,568.01

Finding the Fourth Proportional to 2,615.37, 3,609.09 and 1,568.01

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Solution

The fourth proportional to 2,615.37, 3,609.09 and 1,568.01 is: 2,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.37 : 3,609.09 = 1,568.01 : x
  2. Step 2: Convert to fraction form
    2,615.37/3,609.09 = 1,568.01/x
  3. Step 3: Cross multiply
    2,615.37x = 3,609.09 × 1,568.01
  4. Step 4: Simplify right side
    2,615.37x = 5,659,089.21
  5. Step 5: Solve for x
    x = 5,659,089.21/2,615.37
  6. Step 6: Final answer
    x = 2,163.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.