Home / 2,843.65-4,263.45-1,087.17

Finding the Fourth Proportional to 2,843.65, 4,263.45 and 1,087.17

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Solution

The fourth proportional to 2,843.65, 4,263.45 and 1,087.17 is: 1,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.65 : 4,263.45 = 1,087.17 : x
  2. Step 2: Convert to fraction form
    2,843.65/4,263.45 = 1,087.17/x
  3. Step 3: Cross multiply
    2,843.65x = 4,263.45 × 1,087.17
  4. Step 4: Simplify right side
    2,843.65x = 4,635,094.94
  5. Step 5: Solve for x
    x = 4,635,094.94/2,843.65
  6. Step 6: Final answer
    x = 1,629.98

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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.