Home / 2,817.81-4,227.83-2,038.79

Finding the Fourth Proportional to 2,817.81, 4,227.83 and 2,038.79

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Solution

The fourth proportional to 2,817.81, 4,227.83 and 2,038.79 is: 3,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.81 : 4,227.83 = 2,038.79 : x
  2. Step 2: Convert to fraction form
    2,817.81/4,227.83 = 2,038.79/x
  3. Step 3: Cross multiply
    2,817.81x = 4,227.83 × 2,038.79
  4. Step 4: Simplify right side
    2,817.81x = 8,619,626.19
  5. Step 5: Solve for x
    x = 8,619,626.19/2,817.81
  6. Step 6: Final answer
    x = 3,058.98

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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.