Home / 1,864.16-2,791.92-1,348.64

Finding the Fourth Proportional to 1,864.16, 2,791.92 and 1,348.64

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Solution

The fourth proportional to 1,864.16, 2,791.92 and 1,348.64 is: 2,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.16 : 2,791.92 = 1,348.64 : x
  2. Step 2: Convert to fraction form
    1,864.16/2,791.92 = 1,348.64/x
  3. Step 3: Cross multiply
    1,864.16x = 2,791.92 × 1,348.64
  4. Step 4: Simplify right side
    1,864.16x = 3,765,294.99
  5. Step 5: Solve for x
    x = 3,765,294.99/1,864.16
  6. Step 6: Final answer
    x = 2,019.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.