Home / 2,540.33-3,810.50-1,668.34

Finding the Fourth Proportional to 2,540.33, 3,810.50 and 1,668.34

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Solution

The fourth proportional to 2,540.33, 3,810.50 and 1,668.34 is: 2,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.33 : 3,810.50 = 1,668.34 : x
  2. Step 2: Convert to fraction form
    2,540.33/3,810.50 = 1,668.34/x
  3. Step 3: Cross multiply
    2,540.33x = 3,810.50 × 1,668.34
  4. Step 4: Simplify right side
    2,540.33x = 6,357,191.70
  5. Step 5: Solve for x
    x = 6,357,191.70/2,540.33
  6. Step 6: Final answer
    x = 2,502.51

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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.