Home / 3,086.80-4,630.92-895.57

Finding the Fourth Proportional to 3,086.80, 4,630.92 and 895.57

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Solution

The fourth proportional to 3,086.80, 4,630.92 and 895.57 is: 1,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.80 : 4,630.92 = 895.57 : x
  2. Step 2: Convert to fraction form
    3,086.80/4,630.92 = 895.57/x
  3. Step 3: Cross multiply
    3,086.80x = 4,630.92 × 895.57
  4. Step 4: Simplify right side
    3,086.80x = 4,147,313.02
  5. Step 5: Solve for x
    x = 4,147,313.02/3,086.80
  6. Step 6: Final answer
    x = 1,343.56

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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.