Home / 2,828.64-3,904.66-1,709.64

Finding the Fourth Proportional to 2,828.64, 3,904.66 and 1,709.64

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Solution

The fourth proportional to 2,828.64, 3,904.66 and 1,709.64 is: 2,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.64 : 3,904.66 = 1,709.64 : x
  2. Step 2: Convert to fraction form
    2,828.64/3,904.66 = 1,709.64/x
  3. Step 3: Cross multiply
    2,828.64x = 3,904.66 × 1,709.64
  4. Step 4: Simplify right side
    2,828.64x = 6,675,562.92
  5. Step 5: Solve for x
    x = 6,675,562.92/2,828.64
  6. Step 6: Final answer
    x = 2,359.99

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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.