Home / 3,849.41-5,312.16-2,081.01

Finding the Fourth Proportional to 3,849.41, 5,312.16 and 2,081.01

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Solution

The fourth proportional to 3,849.41, 5,312.16 and 2,081.01 is: 2,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.41 : 5,312.16 = 2,081.01 : x
  2. Step 2: Convert to fraction form
    3,849.41/5,312.16 = 2,081.01/x
  3. Step 3: Cross multiply
    3,849.41x = 5,312.16 × 2,081.01
  4. Step 4: Simplify right side
    3,849.41x = 11,054,678.00
  5. Step 5: Solve for x
    x = 11,054,678.00/3,849.41
  6. Step 6: Final answer
    x = 2,871.78

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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.