Home / 4,271.94-6,406.88-2,190.86

Finding the Fourth Proportional to 4,271.94, 6,406.88 and 2,190.86

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Solution

The fourth proportional to 4,271.94, 6,406.88 and 2,190.86 is: 3,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.94 : 6,406.88 = 2,190.86 : x
  2. Step 2: Convert to fraction form
    4,271.94/6,406.88 = 2,190.86/x
  3. Step 3: Cross multiply
    4,271.94x = 6,406.88 × 2,190.86
  4. Step 4: Simplify right side
    4,271.94x = 14,036,577.12
  5. Step 5: Solve for x
    x = 14,036,577.12/4,271.94
  6. Step 6: Final answer
    x = 3,285.76

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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.