Home / 2,553.90-3,830.68-1,166.28

Finding the Fourth Proportional to 2,553.90, 3,830.68 and 1,166.28

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Solution

The fourth proportional to 2,553.90, 3,830.68 and 1,166.28 is: 1,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.90 : 3,830.68 = 1,166.28 : x
  2. Step 2: Convert to fraction form
    2,553.90/3,830.68 = 1,166.28/x
  3. Step 3: Cross multiply
    2,553.90x = 3,830.68 × 1,166.28
  4. Step 4: Simplify right side
    2,553.90x = 4,467,645.47
  5. Step 5: Solve for x
    x = 4,467,645.47/2,553.90
  6. Step 6: Final answer
    x = 1,749.34

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Similar ratio
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1.5x scale

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.