Home / 2,553.08-3,829.68-2,123.24

Finding the Fourth Proportional to 2,553.08, 3,829.68 and 2,123.24

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Solution

The fourth proportional to 2,553.08, 3,829.68 and 2,123.24 is: 3,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.08 : 3,829.68 = 2,123.24 : x
  2. Step 2: Convert to fraction form
    2,553.08/3,829.68 = 2,123.24/x
  3. Step 3: Cross multiply
    2,553.08x = 3,829.68 × 2,123.24
  4. Step 4: Simplify right side
    2,553.08x = 8,131,329.76
  5. Step 5: Solve for x
    x = 8,131,329.76/2,553.08
  6. Step 6: Final answer
    x = 3,184.91

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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.