Home / 1,830.87-2,745.09-1,283.72

Finding the Fourth Proportional to 1,830.87, 2,745.09 and 1,283.72

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Solution

The fourth proportional to 1,830.87, 2,745.09 and 1,283.72 is: 1,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.87 : 2,745.09 = 1,283.72 : x
  2. Step 2: Convert to fraction form
    1,830.87/2,745.09 = 1,283.72/x
  3. Step 3: Cross multiply
    1,830.87x = 2,745.09 × 1,283.72
  4. Step 4: Simplify right side
    1,830.87x = 3,523,913.21
  5. Step 5: Solve for x
    x = 3,523,913.21/1,830.87
  6. Step 6: Final answer
    x = 1,924.72

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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.