Home / 3,399.77-5,100.37-1,208.45

Finding the Fourth Proportional to 3,399.77, 5,100.37 and 1,208.45

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Solution

The fourth proportional to 3,399.77, 5,100.37 and 1,208.45 is: 1,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.77 : 5,100.37 = 1,208.45 : x
  2. Step 2: Convert to fraction form
    3,399.77/5,100.37 = 1,208.45/x
  3. Step 3: Cross multiply
    3,399.77x = 5,100.37 × 1,208.45
  4. Step 4: Simplify right side
    3,399.77x = 6,163,551.86
  5. Step 5: Solve for x
    x = 6,163,551.86/3,399.77
  6. Step 6: Final answer
    x = 1,812.93

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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.