Home / 2,814.89-4,222.33-1,254.49

Finding the Fourth Proportional to 2,814.89, 4,222.33 and 1,254.49

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Solution

The fourth proportional to 2,814.89, 4,222.33 and 1,254.49 is: 1,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.89 : 4,222.33 = 1,254.49 : x
  2. Step 2: Convert to fraction form
    2,814.89/4,222.33 = 1,254.49/x
  3. Step 3: Cross multiply
    2,814.89x = 4,222.33 × 1,254.49
  4. Step 4: Simplify right side
    2,814.89x = 5,296,857.07
  5. Step 5: Solve for x
    x = 5,296,857.07/2,814.89
  6. Step 6: Final answer
    x = 1,881.73

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1.5x scale

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.