Home / 2,828.16-3,902.73-1,709.74

Finding the Fourth Proportional to 2,828.16, 3,902.73 and 1,709.74

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Solution

The fourth proportional to 2,828.16, 3,902.73 and 1,709.74 is: 2,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.16 : 3,902.73 = 1,709.74 : x
  2. Step 2: Convert to fraction form
    2,828.16/3,902.73 = 1,709.74/x
  3. Step 3: Cross multiply
    2,828.16x = 3,902.73 × 1,709.74
  4. Step 4: Simplify right side
    2,828.16x = 6,672,653.59
  5. Step 5: Solve for x
    x = 6,672,653.59/2,828.16
  6. Step 6: Final answer
    x = 2,359.36

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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.