Home / 3,676.37-5,515.48-1,079.30

Finding the Fourth Proportional to 3,676.37, 5,515.48 and 1,079.30

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Solution

The fourth proportional to 3,676.37, 5,515.48 and 1,079.30 is: 1,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.37 : 5,515.48 = 1,079.30 : x
  2. Step 2: Convert to fraction form
    3,676.37/5,515.48 = 1,079.30/x
  3. Step 3: Cross multiply
    3,676.37x = 5,515.48 × 1,079.30
  4. Step 4: Simplify right side
    3,676.37x = 5,952,866.63
  5. Step 5: Solve for x
    x = 5,952,866.63/3,676.37
  6. Step 6: Final answer
    x = 1,619.23

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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.