Home / 3,176.09-4,761.29-1,615.22

Finding the Fourth Proportional to 3,176.09, 4,761.29 and 1,615.22

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Solution

The fourth proportional to 3,176.09, 4,761.29 and 1,615.22 is: 2,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.09 : 4,761.29 = 1,615.22 : x
  2. Step 2: Convert to fraction form
    3,176.09/4,761.29 = 1,615.22/x
  3. Step 3: Cross multiply
    3,176.09x = 4,761.29 × 1,615.22
  4. Step 4: Simplify right side
    3,176.09x = 7,690,507.03
  5. Step 5: Solve for x
    x = 7,690,507.03/3,176.09
  6. Step 6: Final answer
    x = 2,421.38

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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.