Home / 2,632.18-3,942.60-1,243.44

Finding the Fourth Proportional to 2,632.18, 3,942.60 and 1,243.44

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Solution

The fourth proportional to 2,632.18, 3,942.60 and 1,243.44 is: 1,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.18 : 3,942.60 = 1,243.44 : x
  2. Step 2: Convert to fraction form
    2,632.18/3,942.60 = 1,243.44/x
  3. Step 3: Cross multiply
    2,632.18x = 3,942.60 × 1,243.44
  4. Step 4: Simplify right side
    2,632.18x = 4,902,386.54
  5. Step 5: Solve for x
    x = 4,902,386.54/2,632.18
  6. Step 6: Final answer
    x = 1,862.48

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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.