Home / 2,485.08-3,727.50-636.24

Finding the Fourth Proportional to 2,485.08, 3,727.50 and 636.24

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Solution

The fourth proportional to 2,485.08, 3,727.50 and 636.24 is: 954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.08 : 3,727.50 = 636.24 : x
  2. Step 2: Convert to fraction form
    2,485.08/3,727.50 = 636.24/x
  3. Step 3: Cross multiply
    2,485.08x = 3,727.50 × 636.24
  4. Step 4: Simplify right side
    2,485.08x = 2,371,584.60
  5. Step 5: Solve for x
    x = 2,371,584.60/2,485.08
  6. Step 6: Final answer
    x = 954.33

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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.