Home / 3,309.51-4,567.14-1,912.26

Finding the Fourth Proportional to 3,309.51, 4,567.14 and 1,912.26

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Solution

The fourth proportional to 3,309.51, 4,567.14 and 1,912.26 is: 2,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.51 : 4,567.14 = 1,912.26 : x
  2. Step 2: Convert to fraction form
    3,309.51/4,567.14 = 1,912.26/x
  3. Step 3: Cross multiply
    3,309.51x = 4,567.14 × 1,912.26
  4. Step 4: Simplify right side
    3,309.51x = 8,733,559.14
  5. Step 5: Solve for x
    x = 8,733,559.14/3,309.51
  6. Step 6: Final answer
    x = 2,638.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.