Home / 3,412.51-5,118.84-1,072.46

Finding the Fourth Proportional to 3,412.51, 5,118.84 and 1,072.46

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Solution

The fourth proportional to 3,412.51, 5,118.84 and 1,072.46 is: 1,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.51 : 5,118.84 = 1,072.46 : x
  2. Step 2: Convert to fraction form
    3,412.51/5,118.84 = 1,072.46/x
  3. Step 3: Cross multiply
    3,412.51x = 5,118.84 × 1,072.46
  4. Step 4: Simplify right side
    3,412.51x = 5,489,763.94
  5. Step 5: Solve for x
    x = 5,489,763.94/3,412.51
  6. Step 6: Final answer
    x = 1,608.72

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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.