Home / 3,274.09-4,518.23-1,782

Finding the Fourth Proportional to 3,274.09, 4,518.23 and 1,782

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Solution

The fourth proportional to 3,274.09, 4,518.23 and 1,782 is: 2,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.09 : 4,518.23 = 1,782 : x
  2. Step 2: Convert to fraction form
    3,274.09/4,518.23 = 1,782/x
  3. Step 3: Cross multiply
    3,274.09x = 4,518.23 × 1,782
  4. Step 4: Simplify right side
    3,274.09x = 8,051,486.97
  5. Step 5: Solve for x
    x = 8,051,486.97/3,274.09
  6. Step 6: Final answer
    x = 2,459.15

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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.