Home / 1,900.67-2,848.33-1,120.85

Finding the Fourth Proportional to 1,900.67, 2,848.33 and 1,120.85

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Solution

The fourth proportional to 1,900.67, 2,848.33 and 1,120.85 is: 1,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.67 : 2,848.33 = 1,120.85 : x
  2. Step 2: Convert to fraction form
    1,900.67/2,848.33 = 1,120.85/x
  3. Step 3: Cross multiply
    1,900.67x = 2,848.33 × 1,120.85
  4. Step 4: Simplify right side
    1,900.67x = 3,192,550.68
  5. Step 5: Solve for x
    x = 3,192,550.68/1,900.67
  6. Step 6: Final answer
    x = 1,679.70

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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.