Home / 2,882.50-4,315.44-2,185.09

Finding the Fourth Proportional to 2,882.50, 4,315.44 and 2,185.09

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Solution

The fourth proportional to 2,882.50, 4,315.44 and 2,185.09 is: 3,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.50 : 4,315.44 = 2,185.09 : x
  2. Step 2: Convert to fraction form
    2,882.50/4,315.44 = 2,185.09/x
  3. Step 3: Cross multiply
    2,882.50x = 4,315.44 × 2,185.09
  4. Step 4: Simplify right side
    2,882.50x = 9,429,624.79
  5. Step 5: Solve for x
    x = 9,429,624.79/2,882.50
  6. Step 6: Final answer
    x = 3,271.34

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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.