Home / 2,828.99-3,903.83-1,709.27

Finding the Fourth Proportional to 2,828.99, 3,903.83 and 1,709.27

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Solution

The fourth proportional to 2,828.99, 3,903.83 and 1,709.27 is: 2,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.99 : 3,903.83 = 1,709.27 : x
  2. Step 2: Convert to fraction form
    2,828.99/3,903.83 = 1,709.27/x
  3. Step 3: Cross multiply
    2,828.99x = 3,903.83 × 1,709.27
  4. Step 4: Simplify right side
    2,828.99x = 6,672,671.44
  5. Step 5: Solve for x
    x = 6,672,671.44/2,828.99
  6. Step 6: Final answer
    x = 2,358.68

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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.