Home / 3,682.90-5,520.84-1,342.32

Finding the Fourth Proportional to 3,682.90, 5,520.84 and 1,342.32

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Solution

The fourth proportional to 3,682.90, 5,520.84 and 1,342.32 is: 2,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.90 : 5,520.84 = 1,342.32 : x
  2. Step 2: Convert to fraction form
    3,682.90/5,520.84 = 1,342.32/x
  3. Step 3: Cross multiply
    3,682.90x = 5,520.84 × 1,342.32
  4. Step 4: Simplify right side
    3,682.90x = 7,410,733.95
  5. Step 5: Solve for x
    x = 7,410,733.95/3,682.90
  6. Step 6: Final answer
    x = 2,012.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.