Home / 2,828.76-4,236.58-1,363.16

Finding the Fourth Proportional to 2,828.76, 4,236.58 and 1,363.16

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Solution

The fourth proportional to 2,828.76, 4,236.58 and 1,363.16 is: 2,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.76 : 4,236.58 = 1,363.16 : x
  2. Step 2: Convert to fraction form
    2,828.76/4,236.58 = 1,363.16/x
  3. Step 3: Cross multiply
    2,828.76x = 4,236.58 × 1,363.16
  4. Step 4: Simplify right side
    2,828.76x = 5,775,136.39
  5. Step 5: Solve for x
    x = 5,775,136.39/2,828.76
  6. Step 6: Final answer
    x = 2,041.58

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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.