Home / 2,708.09-3,736.91-2,149.91

Finding the Fourth Proportional to 2,708.09, 3,736.91 and 2,149.91

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Solution

The fourth proportional to 2,708.09, 3,736.91 and 2,149.91 is: 2,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.09 : 3,736.91 = 2,149.91 : x
  2. Step 2: Convert to fraction form
    2,708.09/3,736.91 = 2,149.91/x
  3. Step 3: Cross multiply
    2,708.09x = 3,736.91 × 2,149.91
  4. Step 4: Simplify right side
    2,708.09x = 8,034,009.43
  5. Step 5: Solve for x
    x = 8,034,009.43/2,708.09
  6. Step 6: Final answer
    x = 2,966.67

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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.