Home / 2,814.51-4,222.98-1,516.89

Finding the Fourth Proportional to 2,814.51, 4,222.98 and 1,516.89

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Solution

The fourth proportional to 2,814.51, 4,222.98 and 1,516.89 is: 2,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.51 : 4,222.98 = 1,516.89 : x
  2. Step 2: Convert to fraction form
    2,814.51/4,222.98 = 1,516.89/x
  3. Step 3: Cross multiply
    2,814.51x = 4,222.98 × 1,516.89
  4. Step 4: Simplify right side
    2,814.51x = 6,405,796.13
  5. Step 5: Solve for x
    x = 6,405,796.13/2,814.51
  6. Step 6: Final answer
    x = 2,275.99

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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.