Home / 2,950.21-4,426.76-1,855.09

Finding the Fourth Proportional to 2,950.21, 4,426.76 and 1,855.09

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Solution

The fourth proportional to 2,950.21, 4,426.76 and 1,855.09 is: 2,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.21 : 4,426.76 = 1,855.09 : x
  2. Step 2: Convert to fraction form
    2,950.21/4,426.76 = 1,855.09/x
  3. Step 3: Cross multiply
    2,950.21x = 4,426.76 × 1,855.09
  4. Step 4: Simplify right side
    2,950.21x = 8,212,038.21
  5. Step 5: Solve for x
    x = 8,212,038.21/2,950.21
  6. Step 6: Final answer
    x = 2,783.54

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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.