Home / 1,830.88-2,744.64-1,181.76

Finding the Fourth Proportional to 1,830.88, 2,744.64 and 1,181.76

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Solution

The fourth proportional to 1,830.88, 2,744.64 and 1,181.76 is: 1,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.88 : 2,744.64 = 1,181.76 : x
  2. Step 2: Convert to fraction form
    1,830.88/2,744.64 = 1,181.76/x
  3. Step 3: Cross multiply
    1,830.88x = 2,744.64 × 1,181.76
  4. Step 4: Simplify right side
    1,830.88x = 3,243,505.77
  5. Step 5: Solve for x
    x = 3,243,505.77/1,830.88
  6. Step 6: Final answer
    x = 1,771.56

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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.