Home / 2,764.31-3,814.75-1,505.41

Finding the Fourth Proportional to 2,764.31, 3,814.75 and 1,505.41

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Solution

The fourth proportional to 2,764.31, 3,814.75 and 1,505.41 is: 2,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.31 : 3,814.75 = 1,505.41 : x
  2. Step 2: Convert to fraction form
    2,764.31/3,814.75 = 1,505.41/x
  3. Step 3: Cross multiply
    2,764.31x = 3,814.75 × 1,505.41
  4. Step 4: Simplify right side
    2,764.31x = 5,742,755.14
  5. Step 5: Solve for x
    x = 5,742,755.14/2,764.31
  6. Step 6: Final answer
    x = 2,077.47

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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.