Home / 2,814.23-4,221.50-1,425.93

Finding the Fourth Proportional to 2,814.23, 4,221.50 and 1,425.93

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Solution

The fourth proportional to 2,814.23, 4,221.50 and 1,425.93 is: 2,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.23 : 4,221.50 = 1,425.93 : x
  2. Step 2: Convert to fraction form
    2,814.23/4,221.50 = 1,425.93/x
  3. Step 3: Cross multiply
    2,814.23x = 4,221.50 × 1,425.93
  4. Step 4: Simplify right side
    2,814.23x = 6,019,563.50
  5. Step 5: Solve for x
    x = 6,019,563.50/2,814.23
  6. Step 6: Final answer
    x = 2,138.97

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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.