Home / 2,229.08-3,072.93-1,563.87

Finding the Fourth Proportional to 2,229.08, 3,072.93 and 1,563.87

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Solution

The fourth proportional to 2,229.08, 3,072.93 and 1,563.87 is: 2,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.08 : 3,072.93 = 1,563.87 : x
  2. Step 2: Convert to fraction form
    2,229.08/3,072.93 = 1,563.87/x
  3. Step 3: Cross multiply
    2,229.08x = 3,072.93 × 1,563.87
  4. Step 4: Simplify right side
    2,229.08x = 4,805,655.22
  5. Step 5: Solve for x
    x = 4,805,655.22/2,229.08
  6. Step 6: Final answer
    x = 2,155.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.