Home / 2,827.51-4,235.10-1,728.54

Finding the Fourth Proportional to 2,827.51, 4,235.10 and 1,728.54

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Solution

The fourth proportional to 2,827.51, 4,235.10 and 1,728.54 is: 2,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.51 : 4,235.10 = 1,728.54 : x
  2. Step 2: Convert to fraction form
    2,827.51/4,235.10 = 1,728.54/x
  3. Step 3: Cross multiply
    2,827.51x = 4,235.10 × 1,728.54
  4. Step 4: Simplify right side
    2,827.51x = 7,320,539.75
  5. Step 5: Solve for x
    x = 7,320,539.75/2,827.51
  6. Step 6: Final answer
    x = 2,589.04

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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.