Home / 2,081.22-2,871.44-1,459.14

Finding the Fourth Proportional to 2,081.22, 2,871.44 and 1,459.14

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Solution

The fourth proportional to 2,081.22, 2,871.44 and 1,459.14 is: 2,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.22 : 2,871.44 = 1,459.14 : x
  2. Step 2: Convert to fraction form
    2,081.22/2,871.44 = 1,459.14/x
  3. Step 3: Cross multiply
    2,081.22x = 2,871.44 × 1,459.14
  4. Step 4: Simplify right side
    2,081.22x = 4,189,832.96
  5. Step 5: Solve for x
    x = 4,189,832.96/2,081.22
  6. Step 6: Final answer
    x = 2,013.16

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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.