Home / 2,786.05-4,176.37-1,030.56

Finding the Fourth Proportional to 2,786.05, 4,176.37 and 1,030.56

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Solution

The fourth proportional to 2,786.05, 4,176.37 and 1,030.56 is: 1,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.05 : 4,176.37 = 1,030.56 : x
  2. Step 2: Convert to fraction form
    2,786.05/4,176.37 = 1,030.56/x
  3. Step 3: Cross multiply
    2,786.05x = 4,176.37 × 1,030.56
  4. Step 4: Simplify right side
    2,786.05x = 4,303,999.87
  5. Step 5: Solve for x
    x = 4,303,999.87/2,786.05
  6. Step 6: Final answer
    x = 1,544.84

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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.