Home / 1,276.63-1,914.58-351.96

Finding the Fourth Proportional to 1,276.63, 1,914.58 and 351.96

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Solution

The fourth proportional to 1,276.63, 1,914.58 and 351.96 is: 527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276.63 : 1,914.58 = 351.96 : x
  2. Step 2: Convert to fraction form
    1,276.63/1,914.58 = 351.96/x
  3. Step 3: Cross multiply
    1,276.63x = 1,914.58 × 351.96
  4. Step 4: Simplify right side
    1,276.63x = 673,855.58
  5. Step 5: Solve for x
    x = 673,855.58/1,276.63
  6. Step 6: Final answer
    x = 527.84

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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.