Home / 2,814.64-4,219.08-1,516.72

Finding the Fourth Proportional to 2,814.64, 4,219.08 and 1,516.72

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Solution

The fourth proportional to 2,814.64, 4,219.08 and 1,516.72 is: 2,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.64 : 4,219.08 = 1,516.72 : x
  2. Step 2: Convert to fraction form
    2,814.64/4,219.08 = 1,516.72/x
  3. Step 3: Cross multiply
    2,814.64x = 4,219.08 × 1,516.72
  4. Step 4: Simplify right side
    2,814.64x = 6,399,163.02
  5. Step 5: Solve for x
    x = 6,399,163.02/2,814.64
  6. Step 6: Final answer
    x = 2,273.53

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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.