Home / 1,704.83-2,557.26-1,240.38

Finding the Fourth Proportional to 1,704.83, 2,557.26 and 1,240.38

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Solution

The fourth proportional to 1,704.83, 2,557.26 and 1,240.38 is: 1,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.83 : 2,557.26 = 1,240.38 : x
  2. Step 2: Convert to fraction form
    1,704.83/2,557.26 = 1,240.38/x
  3. Step 3: Cross multiply
    1,704.83x = 2,557.26 × 1,240.38
  4. Step 4: Simplify right side
    1,704.83x = 3,171,974.16
  5. Step 5: Solve for x
    x = 3,171,974.16/1,704.83
  6. Step 6: Final answer
    x = 1,860.59

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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.