Home / 2,814.68-4,225.87-1,771.61

Finding the Fourth Proportional to 2,814.68, 4,225.87 and 1,771.61

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Solution

The fourth proportional to 2,814.68, 4,225.87 and 1,771.61 is: 2,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.68 : 4,225.87 = 1,771.61 : x
  2. Step 2: Convert to fraction form
    2,814.68/4,225.87 = 1,771.61/x
  3. Step 3: Cross multiply
    2,814.68x = 4,225.87 × 1,771.61
  4. Step 4: Simplify right side
    2,814.68x = 7,486,574.64
  5. Step 5: Solve for x
    x = 7,486,574.64/2,814.68
  6. Step 6: Final answer
    x = 2,659.83

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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.