Home / 1,354.62-2,028.42-1,160.86

Finding the Fourth Proportional to 1,354.62, 2,028.42 and 1,160.86

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Solution

The fourth proportional to 1,354.62, 2,028.42 and 1,160.86 is: 1,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.62 : 2,028.42 = 1,160.86 : x
  2. Step 2: Convert to fraction form
    1,354.62/2,028.42 = 1,160.86/x
  3. Step 3: Cross multiply
    1,354.62x = 2,028.42 × 1,160.86
  4. Step 4: Simplify right side
    1,354.62x = 2,354,711.64
  5. Step 5: Solve for x
    x = 2,354,711.64/1,354.62
  6. Step 6: Final answer
    x = 1,738.28

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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.