Home / 3,674.36-5,510.37-1,208.63

Finding the Fourth Proportional to 3,674.36, 5,510.37 and 1,208.63

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Solution

The fourth proportional to 3,674.36, 5,510.37 and 1,208.63 is: 1,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.36 : 5,510.37 = 1,208.63 : x
  2. Step 2: Convert to fraction form
    3,674.36/5,510.37 = 1,208.63/x
  3. Step 3: Cross multiply
    3,674.36x = 5,510.37 × 1,208.63
  4. Step 4: Simplify right side
    3,674.36x = 6,659,970.94
  5. Step 5: Solve for x
    x = 6,659,970.94/3,674.36
  6. Step 6: Final answer
    x = 1,812.56

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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.