Home / 2,764.15-3,814.45-1,505.23

Finding the Fourth Proportional to 2,764.15, 3,814.45 and 1,505.23

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Solution

The fourth proportional to 2,764.15, 3,814.45 and 1,505.23 is: 2,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.15 : 3,814.45 = 1,505.23 : x
  2. Step 2: Convert to fraction form
    2,764.15/3,814.45 = 1,505.23/x
  3. Step 3: Cross multiply
    2,764.15x = 3,814.45 × 1,505.23
  4. Step 4: Simplify right side
    2,764.15x = 5,741,624.57
  5. Step 5: Solve for x
    x = 5,741,624.57/2,764.15
  6. Step 6: Final answer
    x = 2,077.18

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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.