Home / 3,610.34-5,415.54-1,145.54

Finding the Fourth Proportional to 3,610.34, 5,415.54 and 1,145.54

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Solution

The fourth proportional to 3,610.34, 5,415.54 and 1,145.54 is: 1,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.34 : 5,415.54 = 1,145.54 : x
  2. Step 2: Convert to fraction form
    3,610.34/5,415.54 = 1,145.54/x
  3. Step 3: Cross multiply
    3,610.34x = 5,415.54 × 1,145.54
  4. Step 4: Simplify right side
    3,610.34x = 6,203,717.69
  5. Step 5: Solve for x
    x = 6,203,717.69/3,610.34
  6. Step 6: Final answer
    x = 1,718.32

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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.