Home / 2,817.24-4,229.10-1,728.60

Finding the Fourth Proportional to 2,817.24, 4,229.10 and 1,728.60

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Solution

The fourth proportional to 2,817.24, 4,229.10 and 1,728.60 is: 2,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.24 : 4,229.10 = 1,728.60 : x
  2. Step 2: Convert to fraction form
    2,817.24/4,229.10 = 1,728.60/x
  3. Step 3: Cross multiply
    2,817.24x = 4,229.10 × 1,728.60
  4. Step 4: Simplify right side
    2,817.24x = 7,310,422.26
  5. Step 5: Solve for x
    x = 7,310,422.26/2,817.24
  6. Step 6: Final answer
    x = 2,594.89

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1.5x scale

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.