Home / 3,274.30-4,518.49-1,782.20

Finding the Fourth Proportional to 3,274.30, 4,518.49 and 1,782.20

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Solution

The fourth proportional to 3,274.30, 4,518.49 and 1,782.20 is: 2,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.30 : 4,518.49 = 1,782.20 : x
  2. Step 2: Convert to fraction form
    3,274.30/4,518.49 = 1,782.20/x
  3. Step 3: Cross multiply
    3,274.30x = 4,518.49 × 1,782.20
  4. Step 4: Simplify right side
    3,274.30x = 8,052,852.88
  5. Step 5: Solve for x
    x = 8,052,852.88/3,274.30
  6. Step 6: Final answer
    x = 2,459.41

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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.