Home / 2,553.18-3,829.65-704.28

Finding the Fourth Proportional to 2,553.18, 3,829.65 and 704.28

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Solution

The fourth proportional to 2,553.18, 3,829.65 and 704.28 is: 1,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.18 : 3,829.65 = 704.28 : x
  2. Step 2: Convert to fraction form
    2,553.18/3,829.65 = 704.28/x
  3. Step 3: Cross multiply
    2,553.18x = 3,829.65 × 704.28
  4. Step 4: Simplify right side
    2,553.18x = 2,697,145.90
  5. Step 5: Solve for x
    x = 2,697,145.90/2,553.18
  6. Step 6: Final answer
    x = 1,056.39

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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.