Home / 2,215.09-3,055.84-1,469.17

Finding the Fourth Proportional to 2,215.09, 3,055.84 and 1,469.17

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Solution

The fourth proportional to 2,215.09, 3,055.84 and 1,469.17 is: 2,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.09 : 3,055.84 = 1,469.17 : x
  2. Step 2: Convert to fraction form
    2,215.09/3,055.84 = 1,469.17/x
  3. Step 3: Cross multiply
    2,215.09x = 3,055.84 × 1,469.17
  4. Step 4: Simplify right side
    2,215.09x = 4,489,548.45
  5. Step 5: Solve for x
    x = 4,489,548.45/2,215.09
  6. Step 6: Final answer
    x = 2,026.80

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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.