Home / 2,739.21-4,088.91-2,536.17

Finding the Fourth Proportional to 2,739.21, 4,088.91 and 2,536.17

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Solution

The fourth proportional to 2,739.21, 4,088.91 and 2,536.17 is: 3,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.21 : 4,088.91 = 2,536.17 : x
  2. Step 2: Convert to fraction form
    2,739.21/4,088.91 = 2,536.17/x
  3. Step 3: Cross multiply
    2,739.21x = 4,088.91 × 2,536.17
  4. Step 4: Simplify right side
    2,739.21x = 10,370,170.87
  5. Step 5: Solve for x
    x = 10,370,170.87/2,739.21
  6. Step 6: Final answer
    x = 3,785.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.