Home / 2,855.50-4,283.26-1,006.65

Finding the Fourth Proportional to 2,855.50, 4,283.26 and 1,006.65

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Solution

The fourth proportional to 2,855.50, 4,283.26 and 1,006.65 is: 1,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.50 : 4,283.26 = 1,006.65 : x
  2. Step 2: Convert to fraction form
    2,855.50/4,283.26 = 1,006.65/x
  3. Step 3: Cross multiply
    2,855.50x = 4,283.26 × 1,006.65
  4. Step 4: Simplify right side
    2,855.50x = 4,311,722.26
  5. Step 5: Solve for x
    x = 4,311,722.26/2,855.50
  6. Step 6: Final answer
    x = 1,509.97

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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.