Home / 2,986.97-4,110.21-2,707.52

Finding the Fourth Proportional to 2,986.97, 4,110.21 and 2,707.52

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Solution

The fourth proportional to 2,986.97, 4,110.21 and 2,707.52 is: 3,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.97 : 4,110.21 = 2,707.52 : x
  2. Step 2: Convert to fraction form
    2,986.97/4,110.21 = 2,707.52/x
  3. Step 3: Cross multiply
    2,986.97x = 4,110.21 × 2,707.52
  4. Step 4: Simplify right side
    2,986.97x = 11,128,462.24
  5. Step 5: Solve for x
    x = 11,128,462.24/2,986.97
  6. Step 6: Final answer
    x = 3,725.67

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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.