Home / 3,578.57-4,912.09-3,176.81

Finding the Fourth Proportional to 3,578.57, 4,912.09 and 3,176.81

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Solution

The fourth proportional to 3,578.57, 4,912.09 and 3,176.81 is: 4,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.57 : 4,912.09 = 3,176.81 : x
  2. Step 2: Convert to fraction form
    3,578.57/4,912.09 = 3,176.81/x
  3. Step 3: Cross multiply
    3,578.57x = 4,912.09 × 3,176.81
  4. Step 4: Simplify right side
    3,578.57x = 15,604,776.63
  5. Step 5: Solve for x
    x = 15,604,776.63/3,578.57
  6. Step 6: Final answer
    x = 4,360.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.