Home / 3,405.63-5,104.17-1,455.54

Finding the Fourth Proportional to 3,405.63, 5,104.17 and 1,455.54

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Solution

The fourth proportional to 3,405.63, 5,104.17 and 1,455.54 is: 2,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.63 : 5,104.17 = 1,455.54 : x
  2. Step 2: Convert to fraction form
    3,405.63/5,104.17 = 1,455.54/x
  3. Step 3: Cross multiply
    3,405.63x = 5,104.17 × 1,455.54
  4. Step 4: Simplify right side
    3,405.63x = 7,429,323.60
  5. Step 5: Solve for x
    x = 7,429,323.60/3,405.63
  6. Step 6: Final answer
    x = 2,181.48

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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.