Home / 3,986.97-5,501.18-2,308.27

Finding the Fourth Proportional to 3,986.97, 5,501.18 and 2,308.27

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Solution

The fourth proportional to 3,986.97, 5,501.18 and 2,308.27 is: 3,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.97 : 5,501.18 = 2,308.27 : x
  2. Step 2: Convert to fraction form
    3,986.97/5,501.18 = 2,308.27/x
  3. Step 3: Cross multiply
    3,986.97x = 5,501.18 × 2,308.27
  4. Step 4: Simplify right side
    3,986.97x = 12,698,208.76
  5. Step 5: Solve for x
    x = 12,698,208.76/3,986.97
  6. Step 6: Final answer
    x = 3,184.93

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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.