Home / 2,812.06-4,212.45-2,582.41

Finding the Fourth Proportional to 2,812.06, 4,212.45 and 2,582.41

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Solution

The fourth proportional to 2,812.06, 4,212.45 and 2,582.41 is: 3,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.06 : 4,212.45 = 2,582.41 : x
  2. Step 2: Convert to fraction form
    2,812.06/4,212.45 = 2,582.41/x
  3. Step 3: Cross multiply
    2,812.06x = 4,212.45 × 2,582.41
  4. Step 4: Simplify right side
    2,812.06x = 10,878,273.00
  5. Step 5: Solve for x
    x = 10,878,273.00/2,812.06
  6. Step 6: Final answer
    x = 3,868.44

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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.