Home / 3,235.89-4,855.47-2,455.65

Finding the Fourth Proportional to 3,235.89, 4,855.47 and 2,455.65

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Solution

The fourth proportional to 3,235.89, 4,855.47 and 2,455.65 is: 3,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.89 : 4,855.47 = 2,455.65 : x
  2. Step 2: Convert to fraction form
    3,235.89/4,855.47 = 2,455.65/x
  3. Step 3: Cross multiply
    3,235.89x = 4,855.47 × 2,455.65
  4. Step 4: Simplify right side
    3,235.89x = 11,923,334.91
  5. Step 5: Solve for x
    x = 11,923,334.91/3,235.89
  6. Step 6: Final answer
    x = 3,684.72

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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.