Home / 3,579.36-5,368.92-1,631.54

Finding the Fourth Proportional to 3,579.36, 5,368.92 and 1,631.54

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Solution

The fourth proportional to 3,579.36, 5,368.92 and 1,631.54 is: 2,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.36 : 5,368.92 = 1,631.54 : x
  2. Step 2: Convert to fraction form
    3,579.36/5,368.92 = 1,631.54/x
  3. Step 3: Cross multiply
    3,579.36x = 5,368.92 × 1,631.54
  4. Step 4: Simplify right side
    3,579.36x = 8,759,615.04
  5. Step 5: Solve for x
    x = 8,759,615.04/3,579.36
  6. Step 6: Final answer
    x = 2,447.26

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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.