Home / 2,553.47-3,829.82-1,218.93

Finding the Fourth Proportional to 2,553.47, 3,829.82 and 1,218.93

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Solution

The fourth proportional to 2,553.47, 3,829.82 and 1,218.93 is: 1,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.47 : 3,829.82 = 1,218.93 : x
  2. Step 2: Convert to fraction form
    2,553.47/3,829.82 = 1,218.93/x
  3. Step 3: Cross multiply
    2,553.47x = 3,829.82 × 1,218.93
  4. Step 4: Simplify right side
    2,553.47x = 4,668,276.40
  5. Step 5: Solve for x
    x = 4,668,276.40/2,553.47
  6. Step 6: Final answer
    x = 1,828.21

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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.