Home / 3,223.86-4,448.70-1,807.44

Finding the Fourth Proportional to 3,223.86, 4,448.70 and 1,807.44

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Solution

The fourth proportional to 3,223.86, 4,448.70 and 1,807.44 is: 2,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.86 : 4,448.70 = 1,807.44 : x
  2. Step 2: Convert to fraction form
    3,223.86/4,448.70 = 1,807.44/x
  3. Step 3: Cross multiply
    3,223.86x = 4,448.70 × 1,807.44
  4. Step 4: Simplify right side
    3,223.86x = 8,040,758.33
  5. Step 5: Solve for x
    x = 8,040,758.33/3,223.86
  6. Step 6: Final answer
    x = 2,494.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.