Home / 1,354.10-2,028.45-736.88

Finding the Fourth Proportional to 1,354.10, 2,028.45 and 736.88

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Solution

The fourth proportional to 1,354.10, 2,028.45 and 736.88 is: 1,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.10 : 2,028.45 = 736.88 : x
  2. Step 2: Convert to fraction form
    1,354.10/2,028.45 = 736.88/x
  3. Step 3: Cross multiply
    1,354.10x = 2,028.45 × 736.88
  4. Step 4: Simplify right side
    1,354.10x = 1,494,724.24
  5. Step 5: Solve for x
    x = 1,494,724.24/1,354.10
  6. Step 6: Final answer
    x = 1,103.85

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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.