Home / 2,835.62-3,911.58-1,811.64

Finding the Fourth Proportional to 2,835.62, 3,911.58 and 1,811.64

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Solution

The fourth proportional to 2,835.62, 3,911.58 and 1,811.64 is: 2,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.62 : 3,911.58 = 1,811.64 : x
  2. Step 2: Convert to fraction form
    2,835.62/3,911.58 = 1,811.64/x
  3. Step 3: Cross multiply
    2,835.62x = 3,911.58 × 1,811.64
  4. Step 4: Simplify right side
    2,835.62x = 7,086,374.79
  5. Step 5: Solve for x
    x = 7,086,374.79/2,835.62
  6. Step 6: Final answer
    x = 2,499.06

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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.