Home / 3,622.24-5,435.08-1,284.02

Finding the Fourth Proportional to 3,622.24, 5,435.08 and 1,284.02

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Solution

The fourth proportional to 3,622.24, 5,435.08 and 1,284.02 is: 1,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.24 : 5,435.08 = 1,284.02 : x
  2. Step 2: Convert to fraction form
    3,622.24/5,435.08 = 1,284.02/x
  3. Step 3: Cross multiply
    3,622.24x = 5,435.08 × 1,284.02
  4. Step 4: Simplify right side
    3,622.24x = 6,978,751.42
  5. Step 5: Solve for x
    x = 6,978,751.42/3,622.24
  6. Step 6: Final answer
    x = 1,926.64

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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.