Home / 3,021.57-4,528.17-2,181.93

Finding the Fourth Proportional to 3,021.57, 4,528.17 and 2,181.93

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Solution

The fourth proportional to 3,021.57, 4,528.17 and 2,181.93 is: 3,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.57 : 4,528.17 = 2,181.93 : x
  2. Step 2: Convert to fraction form
    3,021.57/4,528.17 = 2,181.93/x
  3. Step 3: Cross multiply
    3,021.57x = 4,528.17 × 2,181.93
  4. Step 4: Simplify right side
    3,021.57x = 9,880,149.97
  5. Step 5: Solve for x
    x = 9,880,149.97/3,021.57
  6. Step 6: Final answer
    x = 3,269.87

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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.