Home / 3,019.18-4,528.78-827.94

Finding the Fourth Proportional to 3,019.18, 4,528.78 and 827.94

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Solution

The fourth proportional to 3,019.18, 4,528.78 and 827.94 is: 1,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.18 : 4,528.78 = 827.94 : x
  2. Step 2: Convert to fraction form
    3,019.18/4,528.78 = 827.94/x
  3. Step 3: Cross multiply
    3,019.18x = 4,528.78 × 827.94
  4. Step 4: Simplify right side
    3,019.18x = 3,749,558.11
  5. Step 5: Solve for x
    x = 3,749,558.11/3,019.18
  6. Step 6: Final answer
    x = 1,241.91

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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.