Home / 2,828.51-4,231.72-1,899.64

Finding the Fourth Proportional to 2,828.51, 4,231.72 and 1,899.64

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Solution

The fourth proportional to 2,828.51, 4,231.72 and 1,899.64 is: 2,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.51 : 4,231.72 = 1,899.64 : x
  2. Step 2: Convert to fraction form
    2,828.51/4,231.72 = 1,899.64/x
  3. Step 3: Cross multiply
    2,828.51x = 4,231.72 × 1,899.64
  4. Step 4: Simplify right side
    2,828.51x = 8,038,744.58
  5. Step 5: Solve for x
    x = 8,038,744.58/2,828.51
  6. Step 6: Final answer
    x = 2,842.04

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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.