Home / 3,208.69-4,813.85-1,234.32

Finding the Fourth Proportional to 3,208.69, 4,813.85 and 1,234.32

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Solution

The fourth proportional to 3,208.69, 4,813.85 and 1,234.32 is: 1,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.69 : 4,813.85 = 1,234.32 : x
  2. Step 2: Convert to fraction form
    3,208.69/4,813.85 = 1,234.32/x
  3. Step 3: Cross multiply
    3,208.69x = 4,813.85 × 1,234.32
  4. Step 4: Simplify right side
    3,208.69x = 5,941,831.33
  5. Step 5: Solve for x
    x = 5,941,831.33/3,208.69
  6. Step 6: Final answer
    x = 1,851.79

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1.5x scale

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.