Home / 4,261.32-6,391.74-2,540.92

Finding the Fourth Proportional to 4,261.32, 6,391.74 and 2,540.92

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Solution

The fourth proportional to 4,261.32, 6,391.74 and 2,540.92 is: 3,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.32 : 6,391.74 = 2,540.92 : x
  2. Step 2: Convert to fraction form
    4,261.32/6,391.74 = 2,540.92/x
  3. Step 3: Cross multiply
    4,261.32x = 6,391.74 × 2,540.92
  4. Step 4: Simplify right side
    4,261.32x = 16,240,900.00
  5. Step 5: Solve for x
    x = 16,240,900.00/4,261.32
  6. Step 6: Final answer
    x = 3,811.24

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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.