Home / 3,606.62-5,412.42-1,415.36

Finding the Fourth Proportional to 3,606.62, 5,412.42 and 1,415.36

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Solution

The fourth proportional to 3,606.62, 5,412.42 and 1,415.36 is: 2,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.62 : 5,412.42 = 1,415.36 : x
  2. Step 2: Convert to fraction form
    3,606.62/5,412.42 = 1,415.36/x
  3. Step 3: Cross multiply
    3,606.62x = 5,412.42 × 1,415.36
  4. Step 4: Simplify right side
    3,606.62x = 7,660,522.77
  5. Step 5: Solve for x
    x = 7,660,522.77/3,606.62
  6. Step 6: Final answer
    x = 2,124.02

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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.