Home / 2,322.12-3,204.40-1,313.85

Finding the Fourth Proportional to 2,322.12, 3,204.40 and 1,313.85

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Solution

The fourth proportional to 2,322.12, 3,204.40 and 1,313.85 is: 1,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.12 : 3,204.40 = 1,313.85 : x
  2. Step 2: Convert to fraction form
    2,322.12/3,204.40 = 1,313.85/x
  3. Step 3: Cross multiply
    2,322.12x = 3,204.40 × 1,313.85
  4. Step 4: Simplify right side
    2,322.12x = 4,210,100.94
  5. Step 5: Solve for x
    x = 4,210,100.94/2,322.12
  6. Step 6: Final answer
    x = 1,813.04

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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.