Home / 2,065.16-2,850.36-1,214.96

Finding the Fourth Proportional to 2,065.16, 2,850.36 and 1,214.96

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Solution

The fourth proportional to 2,065.16, 2,850.36 and 1,214.96 is: 1,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.16 : 2,850.36 = 1,214.96 : x
  2. Step 2: Convert to fraction form
    2,065.16/2,850.36 = 1,214.96/x
  3. Step 3: Cross multiply
    2,065.16x = 2,850.36 × 1,214.96
  4. Step 4: Simplify right side
    2,065.16x = 3,463,073.39
  5. Step 5: Solve for x
    x = 3,463,073.39/2,065.16
  6. Step 6: Final answer
    x = 1,676.90

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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.