Home / 3,405.09-5,110.44-1,762.14

Finding the Fourth Proportional to 3,405.09, 5,110.44 and 1,762.14

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Solution

The fourth proportional to 3,405.09, 5,110.44 and 1,762.14 is: 2,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.09 : 5,110.44 = 1,762.14 : x
  2. Step 2: Convert to fraction form
    3,405.09/5,110.44 = 1,762.14/x
  3. Step 3: Cross multiply
    3,405.09x = 5,110.44 × 1,762.14
  4. Step 4: Simplify right side
    3,405.09x = 9,005,310.74
  5. Step 5: Solve for x
    x = 9,005,310.74/3,405.09
  6. Step 6: Final answer
    x = 2,644.66

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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.