Home / 3,221.04-4,825.38-1,576.68

Finding the Fourth Proportional to 3,221.04, 4,825.38 and 1,576.68

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Solution

The fourth proportional to 3,221.04, 4,825.38 and 1,576.68 is: 2,361.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.04 : 4,825.38 = 1,576.68 : x
  2. Step 2: Convert to fraction form
    3,221.04/4,825.38 = 1,576.68/x
  3. Step 3: Cross multiply
    3,221.04x = 4,825.38 × 1,576.68
  4. Step 4: Simplify right side
    3,221.04x = 7,608,080.14
  5. Step 5: Solve for x
    x = 7,608,080.14/3,221.04
  6. Step 6: Final answer
    x = 2,361.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.