Home / 2,099.14-3,148.56-1,180.46

Finding the Fourth Proportional to 2,099.14, 3,148.56 and 1,180.46

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Solution

The fourth proportional to 2,099.14, 3,148.56 and 1,180.46 is: 1,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.14 : 3,148.56 = 1,180.46 : x
  2. Step 2: Convert to fraction form
    2,099.14/3,148.56 = 1,180.46/x
  3. Step 3: Cross multiply
    2,099.14x = 3,148.56 × 1,180.46
  4. Step 4: Simplify right side
    2,099.14x = 3,716,749.14
  5. Step 5: Solve for x
    x = 3,716,749.14/2,099.14
  6. Step 6: Final answer
    x = 1,770.61

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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.