Home / 3,274.87-4,519.32-1,782.79

Finding the Fourth Proportional to 3,274.87, 4,519.32 and 1,782.79

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Solution

The fourth proportional to 3,274.87, 4,519.32 and 1,782.79 is: 2,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.87 : 4,519.32 = 1,782.79 : x
  2. Step 2: Convert to fraction form
    3,274.87/4,519.32 = 1,782.79/x
  3. Step 3: Cross multiply
    3,274.87x = 4,519.32 × 1,782.79
  4. Step 4: Simplify right side
    3,274.87x = 8,056,998.50
  5. Step 5: Solve for x
    x = 8,056,998.50/3,274.87
  6. Step 6: Final answer
    x = 2,460.25

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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.