Home / 2,814.63-4,219.10-1,172.08

Finding the Fourth Proportional to 2,814.63, 4,219.10 and 1,172.08

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Solution

The fourth proportional to 2,814.63, 4,219.10 and 1,172.08 is: 1,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.63 : 4,219.10 = 1,172.08 : x
  2. Step 2: Convert to fraction form
    2,814.63/4,219.10 = 1,172.08/x
  3. Step 3: Cross multiply
    2,814.63x = 4,219.10 × 1,172.08
  4. Step 4: Simplify right side
    2,814.63x = 4,945,122.73
  5. Step 5: Solve for x
    x = 4,945,122.73/2,814.63
  6. Step 6: Final answer
    x = 1,756.94

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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.