Home / 3,631.37-5,448.87-2,708.78

Finding the Fourth Proportional to 3,631.37, 5,448.87 and 2,708.78

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Solution

The fourth proportional to 3,631.37, 5,448.87 and 2,708.78 is: 4,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.37 : 5,448.87 = 2,708.78 : x
  2. Step 2: Convert to fraction form
    3,631.37/5,448.87 = 2,708.78/x
  3. Step 3: Cross multiply
    3,631.37x = 5,448.87 × 2,708.78
  4. Step 4: Simplify right side
    3,631.37x = 14,759,762.83
  5. Step 5: Solve for x
    x = 14,759,762.83/3,631.37
  6. Step 6: Final answer
    x = 4,064.52

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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.