Home / 2,814.22-3,883.84-2,071.58

Finding the Fourth Proportional to 2,814.22, 3,883.84 and 2,071.58

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Solution

The fourth proportional to 2,814.22, 3,883.84 and 2,071.58 is: 2,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.22 : 3,883.84 = 2,071.58 : x
  2. Step 2: Convert to fraction form
    2,814.22/3,883.84 = 2,071.58/x
  3. Step 3: Cross multiply
    2,814.22x = 3,883.84 × 2,071.58
  4. Step 4: Simplify right side
    2,814.22x = 8,045,685.27
  5. Step 5: Solve for x
    x = 8,045,685.27/2,814.22
  6. Step 6: Final answer
    x = 2,858.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.