Home / 3,274.36-4,518.64-1,782.28

Finding the Fourth Proportional to 3,274.36, 4,518.64 and 1,782.28

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Solution

The fourth proportional to 3,274.36, 4,518.64 and 1,782.28 is: 2,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.36 : 4,518.64 = 1,782.28 : x
  2. Step 2: Convert to fraction form
    3,274.36/4,518.64 = 1,782.28/x
  3. Step 3: Cross multiply
    3,274.36x = 4,518.64 × 1,782.28
  4. Step 4: Simplify right side
    3,274.36x = 8,053,481.70
  5. Step 5: Solve for x
    x = 8,053,481.70/3,274.36
  6. Step 6: Final answer
    x = 2,459.56

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1.5x scale

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.