Home / 2,540.16-3,505.92-1,608

Finding the Fourth Proportional to 2,540.16, 3,505.92 and 1,608

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Solution

The fourth proportional to 2,540.16, 3,505.92 and 1,608 is: 2,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.16 : 3,505.92 = 1,608 : x
  2. Step 2: Convert to fraction form
    2,540.16/3,505.92 = 1,608/x
  3. Step 3: Cross multiply
    2,540.16x = 3,505.92 × 1,608
  4. Step 4: Simplify right side
    2,540.16x = 5,637,519.36
  5. Step 5: Solve for x
    x = 5,637,519.36/2,540.16
  6. Step 6: Final answer
    x = 2,219.36

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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.