Home / 3,285.45-4,529.84-2,653.65

Finding the Fourth Proportional to 3,285.45, 4,529.84 and 2,653.65

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Solution

The fourth proportional to 3,285.45, 4,529.84 and 2,653.65 is: 3,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.45 : 4,529.84 = 2,653.65 : x
  2. Step 2: Convert to fraction form
    3,285.45/4,529.84 = 2,653.65/x
  3. Step 3: Cross multiply
    3,285.45x = 4,529.84 × 2,653.65
  4. Step 4: Simplify right side
    3,285.45x = 12,020,609.92
  5. Step 5: Solve for x
    x = 12,020,609.92/3,285.45
  6. Step 6: Final answer
    x = 3,658.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.