Home / 3,285.23-4,529.55-2,859.22

Finding the Fourth Proportional to 3,285.23, 4,529.55 and 2,859.22

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Solution

The fourth proportional to 3,285.23, 4,529.55 and 2,859.22 is: 3,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.23 : 4,529.55 = 2,859.22 : x
  2. Step 2: Convert to fraction form
    3,285.23/4,529.55 = 2,859.22/x
  3. Step 3: Cross multiply
    3,285.23x = 4,529.55 × 2,859.22
  4. Step 4: Simplify right side
    3,285.23x = 12,950,984.95
  5. Step 5: Solve for x
    x = 12,950,984.95/3,285.23
  6. Step 6: Final answer
    x = 3,942.18

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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.