Home / 2,106.05-3,152.19-1,550.60

Finding the Fourth Proportional to 2,106.05, 3,152.19 and 1,550.60

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Solution

The fourth proportional to 2,106.05, 3,152.19 and 1,550.60 is: 2,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.05 : 3,152.19 = 1,550.60 : x
  2. Step 2: Convert to fraction form
    2,106.05/3,152.19 = 1,550.60/x
  3. Step 3: Cross multiply
    2,106.05x = 3,152.19 × 1,550.60
  4. Step 4: Simplify right side
    2,106.05x = 4,887,785.81
  5. Step 5: Solve for x
    x = 4,887,785.81/2,106.05
  6. Step 6: Final answer
    x = 2,320.83

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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.