Home / 1,819.70-2,733.60-1,745.90

Finding the Fourth Proportional to 1,819.70, 2,733.60 and 1,745.90

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Solution

The fourth proportional to 1,819.70, 2,733.60 and 1,745.90 is: 2,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.70 : 2,733.60 = 1,745.90 : x
  2. Step 2: Convert to fraction form
    1,819.70/2,733.60 = 1,745.90/x
  3. Step 3: Cross multiply
    1,819.70x = 2,733.60 × 1,745.90
  4. Step 4: Simplify right side
    1,819.70x = 4,772,592.24
  5. Step 5: Solve for x
    x = 4,772,592.24/1,819.70
  6. Step 6: Final answer
    x = 2,622.74

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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.