Home / 3,986.23-5,501.01-2,217.85

Finding the Fourth Proportional to 3,986.23, 5,501.01 and 2,217.85

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Solution

The fourth proportional to 3,986.23, 5,501.01 and 2,217.85 is: 3,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.23 : 5,501.01 = 2,217.85 : x
  2. Step 2: Convert to fraction form
    3,986.23/5,501.01 = 2,217.85/x
  3. Step 3: Cross multiply
    3,986.23x = 5,501.01 × 2,217.85
  4. Step 4: Simplify right side
    3,986.23x = 12,200,415.03
  5. Step 5: Solve for x
    x = 12,200,415.03/3,986.23
  6. Step 6: Final answer
    x = 3,060.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.