Home / 3,223.76-4,448.94-1,807.34

Finding the Fourth Proportional to 3,223.76, 4,448.94 and 1,807.34

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Solution

The fourth proportional to 3,223.76, 4,448.94 and 1,807.34 is: 2,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.76 : 4,448.94 = 1,807.34 : x
  2. Step 2: Convert to fraction form
    3,223.76/4,448.94 = 1,807.34/x
  3. Step 3: Cross multiply
    3,223.76x = 4,448.94 × 1,807.34
  4. Step 4: Simplify right side
    3,223.76x = 8,040,747.22
  5. Step 5: Solve for x
    x = 8,040,747.22/3,223.76
  6. Step 6: Final answer
    x = 2,494.21

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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.