Home / 2,313.40-3,468.37-852.28

Finding the Fourth Proportional to 2,313.40, 3,468.37 and 852.28

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Solution

The fourth proportional to 2,313.40, 3,468.37 and 852.28 is: 1,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.40 : 3,468.37 = 852.28 : x
  2. Step 2: Convert to fraction form
    2,313.40/3,468.37 = 852.28/x
  3. Step 3: Cross multiply
    2,313.40x = 3,468.37 × 852.28
  4. Step 4: Simplify right side
    2,313.40x = 2,956,022.38
  5. Step 5: Solve for x
    x = 2,956,022.38/2,313.40
  6. Step 6: Final answer
    x = 1,277.78

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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.