Home / 2,912.27-4,368.17-1,675.80

Finding the Fourth Proportional to 2,912.27, 4,368.17 and 1,675.80

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Solution

The fourth proportional to 2,912.27, 4,368.17 and 1,675.80 is: 2,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.27 : 4,368.17 = 1,675.80 : x
  2. Step 2: Convert to fraction form
    2,912.27/4,368.17 = 1,675.80/x
  3. Step 3: Cross multiply
    2,912.27x = 4,368.17 × 1,675.80
  4. Step 4: Simplify right side
    2,912.27x = 7,320,183.48
  5. Step 5: Solve for x
    x = 7,320,183.48/2,912.27
  6. Step 6: Final answer
    x = 2,513.57

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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.