Home / 3,223.43-4,448.84-1,807.69

Finding the Fourth Proportional to 3,223.43, 4,448.84 and 1,807.69

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Solution

The fourth proportional to 3,223.43, 4,448.84 and 1,807.69 is: 2,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.43 : 4,448.84 = 1,807.69 : x
  2. Step 2: Convert to fraction form
    3,223.43/4,448.84 = 1,807.69/x
  3. Step 3: Cross multiply
    3,223.43x = 4,448.84 × 1,807.69
  4. Step 4: Simplify right side
    3,223.43x = 8,042,126.82
  5. Step 5: Solve for x
    x = 8,042,126.82/3,223.43
  6. Step 6: Final answer
    x = 2,494.90

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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.