Home / 3,580.67-5,371.04-1,115.51

Finding the Fourth Proportional to 3,580.67, 5,371.04 and 1,115.51

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Solution

The fourth proportional to 3,580.67, 5,371.04 and 1,115.51 is: 1,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.67 : 5,371.04 = 1,115.51 : x
  2. Step 2: Convert to fraction form
    3,580.67/5,371.04 = 1,115.51/x
  3. Step 3: Cross multiply
    3,580.67x = 5,371.04 × 1,115.51
  4. Step 4: Simplify right side
    3,580.67x = 5,991,465.05
  5. Step 5: Solve for x
    x = 5,991,465.05/3,580.67
  6. Step 6: Final answer
    x = 1,673.28

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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.