Home / 2,843.86-3,924.48-1,665.10

Finding the Fourth Proportional to 2,843.86, 3,924.48 and 1,665.10

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Solution

The fourth proportional to 2,843.86, 3,924.48 and 1,665.10 is: 2,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.86 : 3,924.48 = 1,665.10 : x
  2. Step 2: Convert to fraction form
    2,843.86/3,924.48 = 1,665.10/x
  3. Step 3: Cross multiply
    2,843.86x = 3,924.48 × 1,665.10
  4. Step 4: Simplify right side
    2,843.86x = 6,534,651.65
  5. Step 5: Solve for x
    x = 6,534,651.65/2,843.86
  6. Step 6: Final answer
    x = 2,297.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.