Home / 2,382.05-3,573.20-1,271.03

Finding the Fourth Proportional to 2,382.05, 3,573.20 and 1,271.03

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Solution

The fourth proportional to 2,382.05, 3,573.20 and 1,271.03 is: 1,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.05 : 3,573.20 = 1,271.03 : x
  2. Step 2: Convert to fraction form
    2,382.05/3,573.20 = 1,271.03/x
  3. Step 3: Cross multiply
    2,382.05x = 3,573.20 × 1,271.03
  4. Step 4: Simplify right side
    2,382.05x = 4,541,629.71
  5. Step 5: Solve for x
    x = 4,541,629.71/2,382.05
  6. Step 6: Final answer
    x = 1,906.60

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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.