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Finding the Fourth Proportional to 3,274.99, 4,519.41 and 1,782.87

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Solution

The fourth proportional to 3,274.99, 4,519.41 and 1,782.87 is: 2,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.99 : 4,519.41 = 1,782.87 : x
  2. Step 2: Convert to fraction form
    3,274.99/4,519.41 = 1,782.87/x
  3. Step 3: Cross multiply
    3,274.99x = 4,519.41 × 1,782.87
  4. Step 4: Simplify right side
    3,274.99x = 8,057,520.51
  5. Step 5: Solve for x
    x = 8,057,520.51/3,274.99
  6. Step 6: Final answer
    x = 2,460.32

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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.