Home / 1,930.93-2,896.35-1,879.67

Finding the Fourth Proportional to 1,930.93, 2,896.35 and 1,879.67

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Solution

The fourth proportional to 1,930.93, 2,896.35 and 1,879.67 is: 2,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.93 : 2,896.35 = 1,879.67 : x
  2. Step 2: Convert to fraction form
    1,930.93/2,896.35 = 1,879.67/x
  3. Step 3: Cross multiply
    1,930.93x = 2,896.35 × 1,879.67
  4. Step 4: Simplify right side
    1,930.93x = 5,444,182.40
  5. Step 5: Solve for x
    x = 5,444,182.40/1,930.93
  6. Step 6: Final answer
    x = 2,819.46

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1.5x scale

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.