Home / 2,814.68-4,220.26-1,059.61

Finding the Fourth Proportional to 2,814.68, 4,220.26 and 1,059.61

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Solution

The fourth proportional to 2,814.68, 4,220.26 and 1,059.61 is: 1,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.68 : 4,220.26 = 1,059.61 : x
  2. Step 2: Convert to fraction form
    2,814.68/4,220.26 = 1,059.61/x
  3. Step 3: Cross multiply
    2,814.68x = 4,220.26 × 1,059.61
  4. Step 4: Simplify right side
    2,814.68x = 4,471,827.39
  5. Step 5: Solve for x
    x = 4,471,827.39/2,814.68
  6. Step 6: Final answer
    x = 1,588.75

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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.