Home / 3,412.05-5,118.14-1,072.01

Finding the Fourth Proportional to 3,412.05, 5,118.14 and 1,072.01

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Solution

The fourth proportional to 3,412.05, 5,118.14 and 1,072.01 is: 1,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.05 : 5,118.14 = 1,072.01 : x
  2. Step 2: Convert to fraction form
    3,412.05/5,118.14 = 1,072.01/x
  3. Step 3: Cross multiply
    3,412.05x = 5,118.14 × 1,072.01
  4. Step 4: Simplify right side
    3,412.05x = 5,486,666.31
  5. Step 5: Solve for x
    x = 5,486,666.31/3,412.05
  6. Step 6: Final answer
    x = 1,608.03

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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.