Home / 2,814.53-4,219.52-1,172.32

Finding the Fourth Proportional to 2,814.53, 4,219.52 and 1,172.32

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Solution

The fourth proportional to 2,814.53, 4,219.52 and 1,172.32 is: 1,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.53 : 4,219.52 = 1,172.32 : x
  2. Step 2: Convert to fraction form
    2,814.53/4,219.52 = 1,172.32/x
  3. Step 3: Cross multiply
    2,814.53x = 4,219.52 × 1,172.32
  4. Step 4: Simplify right side
    2,814.53x = 4,946,620.07
  5. Step 5: Solve for x
    x = 4,946,620.07/2,814.53
  6. Step 6: Final answer
    x = 1,757.53

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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.