Home / 2,739.99-4,105.88-1,643.15

Finding the Fourth Proportional to 2,739.99, 4,105.88 and 1,643.15

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Solution

The fourth proportional to 2,739.99, 4,105.88 and 1,643.15 is: 2,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.99 : 4,105.88 = 1,643.15 : x
  2. Step 2: Convert to fraction form
    2,739.99/4,105.88 = 1,643.15/x
  3. Step 3: Cross multiply
    2,739.99x = 4,105.88 × 1,643.15
  4. Step 4: Simplify right side
    2,739.99x = 6,746,584.93
  5. Step 5: Solve for x
    x = 6,746,584.93/2,739.99
  6. Step 6: Final answer
    x = 2,462.26

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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.