Home / 3,223.75-4,448.79-1,826.50

Finding the Fourth Proportional to 3,223.75, 4,448.79 and 1,826.50

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Solution

The fourth proportional to 3,223.75, 4,448.79 and 1,826.50 is: 2,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.75 : 4,448.79 = 1,826.50 : x
  2. Step 2: Convert to fraction form
    3,223.75/4,448.79 = 1,826.50/x
  3. Step 3: Cross multiply
    3,223.75x = 4,448.79 × 1,826.50
  4. Step 4: Simplify right side
    3,223.75x = 8,125,714.94
  5. Step 5: Solve for x
    x = 8,125,714.94/3,223.75
  6. Step 6: Final answer
    x = 2,520.58

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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.