Home / 2,827.51-3,899.41-1,765.37

Finding the Fourth Proportional to 2,827.51, 3,899.41 and 1,765.37

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Solution

The fourth proportional to 2,827.51, 3,899.41 and 1,765.37 is: 2,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.51 : 3,899.41 = 1,765.37 : x
  2. Step 2: Convert to fraction form
    2,827.51/3,899.41 = 1,765.37/x
  3. Step 3: Cross multiply
    2,827.51x = 3,899.41 × 1,765.37
  4. Step 4: Simplify right side
    2,827.51x = 6,883,910.08
  5. Step 5: Solve for x
    x = 6,883,910.08/2,827.51
  6. Step 6: Final answer
    x = 2,434.62

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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.