Home / 3,639.72-5,460.48-1,174.48

Finding the Fourth Proportional to 3,639.72, 5,460.48 and 1,174.48

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Solution

The fourth proportional to 3,639.72, 5,460.48 and 1,174.48 is: 1,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.72 : 5,460.48 = 1,174.48 : x
  2. Step 2: Convert to fraction form
    3,639.72/5,460.48 = 1,174.48/x
  3. Step 3: Cross multiply
    3,639.72x = 5,460.48 × 1,174.48
  4. Step 4: Simplify right side
    3,639.72x = 6,413,224.55
  5. Step 5: Solve for x
    x = 6,413,224.55/3,639.72
  6. Step 6: Final answer
    x = 1,762.01

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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.