Home / 2,817.93-4,227.81-1,356.30

Finding the Fourth Proportional to 2,817.93, 4,227.81 and 1,356.30

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Solution

The fourth proportional to 2,817.93, 4,227.81 and 1,356.30 is: 2,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.93 : 4,227.81 = 1,356.30 : x
  2. Step 2: Convert to fraction form
    2,817.93/4,227.81 = 1,356.30/x
  3. Step 3: Cross multiply
    2,817.93x = 4,227.81 × 1,356.30
  4. Step 4: Simplify right side
    2,817.93x = 5,734,178.70
  5. Step 5: Solve for x
    x = 5,734,178.70/2,817.93
  6. Step 6: Final answer
    x = 2,034.89

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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.