Home / 2,313.36-3,190.05-1,682.64

Finding the Fourth Proportional to 2,313.36, 3,190.05 and 1,682.64

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Solution

The fourth proportional to 2,313.36, 3,190.05 and 1,682.64 is: 2,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.36 : 3,190.05 = 1,682.64 : x
  2. Step 2: Convert to fraction form
    2,313.36/3,190.05 = 1,682.64/x
  3. Step 3: Cross multiply
    2,313.36x = 3,190.05 × 1,682.64
  4. Step 4: Simplify right side
    2,313.36x = 5,367,705.73
  5. Step 5: Solve for x
    x = 5,367,705.73/2,313.36
  6. Step 6: Final answer
    x = 2,320.31

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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.