Home / 3,458.16-5,190.48-1,610.55

Finding the Fourth Proportional to 3,458.16, 5,190.48 and 1,610.55

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Solution

The fourth proportional to 3,458.16, 5,190.48 and 1,610.55 is: 2,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.16 : 5,190.48 = 1,610.55 : x
  2. Step 2: Convert to fraction form
    3,458.16/5,190.48 = 1,610.55/x
  3. Step 3: Cross multiply
    3,458.16x = 5,190.48 × 1,610.55
  4. Step 4: Simplify right side
    3,458.16x = 8,359,527.56
  5. Step 5: Solve for x
    x = 8,359,527.56/3,458.16
  6. Step 6: Final answer
    x = 2,417.33

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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.