Home / 2,740.44-4,111.68-1,645.59

Finding the Fourth Proportional to 2,740.44, 4,111.68 and 1,645.59

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Solution

The fourth proportional to 2,740.44, 4,111.68 and 1,645.59 is: 2,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.44 : 4,111.68 = 1,645.59 : x
  2. Step 2: Convert to fraction form
    2,740.44/4,111.68 = 1,645.59/x
  3. Step 3: Cross multiply
    2,740.44x = 4,111.68 × 1,645.59
  4. Step 4: Simplify right side
    2,740.44x = 6,766,130.24
  5. Step 5: Solve for x
    x = 6,766,130.24/2,740.44
  6. Step 6: Final answer
    x = 2,469.00

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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.