Home / 3,636.36-5,457.26-1,415.54

Finding the Fourth Proportional to 3,636.36, 5,457.26 and 1,415.54

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Solution

The fourth proportional to 3,636.36, 5,457.26 and 1,415.54 is: 2,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.36 : 5,457.26 = 1,415.54 : x
  2. Step 2: Convert to fraction form
    3,636.36/5,457.26 = 1,415.54/x
  3. Step 3: Cross multiply
    3,636.36x = 5,457.26 × 1,415.54
  4. Step 4: Simplify right side
    3,636.36x = 7,724,969.82
  5. Step 5: Solve for x
    x = 7,724,969.82/3,636.36
  6. Step 6: Final answer
    x = 2,124.37

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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.