Home / 2,827.34-4,232.80-1,728.37

Finding the Fourth Proportional to 2,827.34, 4,232.80 and 1,728.37

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Solution

The fourth proportional to 2,827.34, 4,232.80 and 1,728.37 is: 2,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.34 : 4,232.80 = 1,728.37 : x
  2. Step 2: Convert to fraction form
    2,827.34/4,232.80 = 1,728.37/x
  3. Step 3: Cross multiply
    2,827.34x = 4,232.80 × 1,728.37
  4. Step 4: Simplify right side
    2,827.34x = 7,315,851.99
  5. Step 5: Solve for x
    x = 7,315,851.99/2,827.34
  6. Step 6: Final answer
    x = 2,587.54

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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.