Home / 2,764.65-3,810.46-2,045.37

Finding the Fourth Proportional to 2,764.65, 3,810.46 and 2,045.37

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Solution

The fourth proportional to 2,764.65, 3,810.46 and 2,045.37 is: 2,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.65 : 3,810.46 = 2,045.37 : x
  2. Step 2: Convert to fraction form
    2,764.65/3,810.46 = 2,045.37/x
  3. Step 3: Cross multiply
    2,764.65x = 3,810.46 × 2,045.37
  4. Step 4: Simplify right side
    2,764.65x = 7,793,809.75
  5. Step 5: Solve for x
    x = 7,793,809.75/2,764.65
  6. Step 6: Final answer
    x = 2,819.09

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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.