Home / 4,074.58-6,108.22-2,128.15

Finding the Fourth Proportional to 4,074.58, 6,108.22 and 2,128.15

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Solution

The fourth proportional to 4,074.58, 6,108.22 and 2,128.15 is: 3,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.58 : 6,108.22 = 2,128.15 : x
  2. Step 2: Convert to fraction form
    4,074.58/6,108.22 = 2,128.15/x
  3. Step 3: Cross multiply
    4,074.58x = 6,108.22 × 2,128.15
  4. Step 4: Simplify right side
    4,074.58x = 12,999,167.21
  5. Step 5: Solve for x
    x = 12,999,167.21/4,074.58
  6. Step 6: Final answer
    x = 3,190.31

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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.