Home / 3,112.42-4,295.37-1,786.18

Finding the Fourth Proportional to 3,112.42, 4,295.37 and 1,786.18

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Solution

The fourth proportional to 3,112.42, 4,295.37 and 1,786.18 is: 2,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.42 : 4,295.37 = 1,786.18 : x
  2. Step 2: Convert to fraction form
    3,112.42/4,295.37 = 1,786.18/x
  3. Step 3: Cross multiply
    3,112.42x = 4,295.37 × 1,786.18
  4. Step 4: Simplify right side
    3,112.42x = 7,672,303.99
  5. Step 5: Solve for x
    x = 7,672,303.99/3,112.42
  6. Step 6: Final answer
    x = 2,465.06

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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.