Home / 3,321.55-4,583.68-1,829.61

Finding the Fourth Proportional to 3,321.55, 4,583.68 and 1,829.61

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Solution

The fourth proportional to 3,321.55, 4,583.68 and 1,829.61 is: 2,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.55 : 4,583.68 = 1,829.61 : x
  2. Step 2: Convert to fraction form
    3,321.55/4,583.68 = 1,829.61/x
  3. Step 3: Cross multiply
    3,321.55x = 4,583.68 × 1,829.61
  4. Step 4: Simplify right side
    3,321.55x = 8,386,323.85
  5. Step 5: Solve for x
    x = 8,386,323.85/3,321.55
  6. Step 6: Final answer
    x = 2,524.82

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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.