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Finding the Fourth Proportional to 3,223.88, 4,448.95 and 1,826.63

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Solution

The fourth proportional to 3,223.88, 4,448.95 and 1,826.63 is: 2,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.88 : 4,448.95 = 1,826.63 : x
  2. Step 2: Convert to fraction form
    3,223.88/4,448.95 = 1,826.63/x
  3. Step 3: Cross multiply
    3,223.88x = 4,448.95 × 1,826.63
  4. Step 4: Simplify right side
    3,223.88x = 8,126,558.73
  5. Step 5: Solve for x
    x = 8,126,558.73/3,223.88
  6. Step 6: Final answer
    x = 2,520.74

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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.