Home / 3,758.06-5,186.16-2,187.07

Finding the Fourth Proportional to 3,758.06, 5,186.16 and 2,187.07

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Solution

The fourth proportional to 3,758.06, 5,186.16 and 2,187.07 is: 3,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.06 : 5,186.16 = 2,187.07 : x
  2. Step 2: Convert to fraction form
    3,758.06/5,186.16 = 2,187.07/x
  3. Step 3: Cross multiply
    3,758.06x = 5,186.16 × 2,187.07
  4. Step 4: Simplify right side
    3,758.06x = 11,342,481.99
  5. Step 5: Solve for x
    x = 11,342,481.99/3,758.06
  6. Step 6: Final answer
    x = 3,018.17

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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.