Home / 2,744.40-4,111.16-1,442.64

Finding the Fourth Proportional to 2,744.40, 4,111.16 and 1,442.64

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Solution

The fourth proportional to 2,744.40, 4,111.16 and 1,442.64 is: 2,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.40 : 4,111.16 = 1,442.64 : x
  2. Step 2: Convert to fraction form
    2,744.40/4,111.16 = 1,442.64/x
  3. Step 3: Cross multiply
    2,744.40x = 4,111.16 × 1,442.64
  4. Step 4: Simplify right side
    2,744.40x = 5,930,923.86
  5. Step 5: Solve for x
    x = 5,930,923.86/2,744.40
  6. Step 6: Final answer
    x = 2,161.10

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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.