Home / 3,467.21-5,200.61-1,518.75

Finding the Fourth Proportional to 3,467.21, 5,200.61 and 1,518.75

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Solution

The fourth proportional to 3,467.21, 5,200.61 and 1,518.75 is: 2,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.21 : 5,200.61 = 1,518.75 : x
  2. Step 2: Convert to fraction form
    3,467.21/5,200.61 = 1,518.75/x
  3. Step 3: Cross multiply
    3,467.21x = 5,200.61 × 1,518.75
  4. Step 4: Simplify right side
    3,467.21x = 7,898,418.84
  5. Step 5: Solve for x
    x = 7,898,418.84/3,467.21
  6. Step 6: Final answer
    x = 2,278.04

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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.