Home / 3,112.66-4,295.34-1,786.24

Finding the Fourth Proportional to 3,112.66, 4,295.34 and 1,786.24

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Solution

The fourth proportional to 3,112.66, 4,295.34 and 1,786.24 is: 2,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.66 : 4,295.34 = 1,786.24 : x
  2. Step 2: Convert to fraction form
    3,112.66/4,295.34 = 1,786.24/x
  3. Step 3: Cross multiply
    3,112.66x = 4,295.34 × 1,786.24
  4. Step 4: Simplify right side
    3,112.66x = 7,672,508.12
  5. Step 5: Solve for x
    x = 7,672,508.12/3,112.66
  6. Step 6: Final answer
    x = 2,464.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.