Home / 3,861.34-5,786.97-1,554.46

Finding the Fourth Proportional to 3,861.34, 5,786.97 and 1,554.46

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Solution

The fourth proportional to 3,861.34, 5,786.97 and 1,554.46 is: 2,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.34 : 5,786.97 = 1,554.46 : x
  2. Step 2: Convert to fraction form
    3,861.34/5,786.97 = 1,554.46/x
  3. Step 3: Cross multiply
    3,861.34x = 5,786.97 × 1,554.46
  4. Step 4: Simplify right side
    3,861.34x = 8,995,613.39
  5. Step 5: Solve for x
    x = 8,995,613.39/3,861.34
  6. Step 6: Final answer
    x = 2,329.66

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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.