Home / 1,830.88-2,760.69-1,677.79

Finding the Fourth Proportional to 1,830.88, 2,760.69 and 1,677.79

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Solution

The fourth proportional to 1,830.88, 2,760.69 and 1,677.79 is: 2,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.88 : 2,760.69 = 1,677.79 : x
  2. Step 2: Convert to fraction form
    1,830.88/2,760.69 = 1,677.79/x
  3. Step 3: Cross multiply
    1,830.88x = 2,760.69 × 1,677.79
  4. Step 4: Simplify right side
    1,830.88x = 4,631,858.08
  5. Step 5: Solve for x
    x = 4,631,858.08/1,830.88
  6. Step 6: Final answer
    x = 2,529.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.