Home / 2,797.16-4,195.76-1,215.51

Finding the Fourth Proportional to 2,797.16, 4,195.76 and 1,215.51

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Solution

The fourth proportional to 2,797.16, 4,195.76 and 1,215.51 is: 1,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.16 : 4,195.76 = 1,215.51 : x
  2. Step 2: Convert to fraction form
    2,797.16/4,195.76 = 1,215.51/x
  3. Step 3: Cross multiply
    2,797.16x = 4,195.76 × 1,215.51
  4. Step 4: Simplify right side
    2,797.16x = 5,099,982.16
  5. Step 5: Solve for x
    x = 5,099,982.16/2,797.16
  6. Step 6: Final answer
    x = 1,823.27

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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.