Home / 2,739.46-4,083.16-2,583.78

Finding the Fourth Proportional to 2,739.46, 4,083.16 and 2,583.78

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Solution

The fourth proportional to 2,739.46, 4,083.16 and 2,583.78 is: 3,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.46 : 4,083.16 = 2,583.78 : x
  2. Step 2: Convert to fraction form
    2,739.46/4,083.16 = 2,583.78/x
  3. Step 3: Cross multiply
    2,739.46x = 4,083.16 × 2,583.78
  4. Step 4: Simplify right side
    2,739.46x = 10,549,987.14
  5. Step 5: Solve for x
    x = 10,549,987.14/2,739.46
  6. Step 6: Final answer
    x = 3,851.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.