Home / 2,718.82-3,751.96-1,539.86

Finding the Fourth Proportional to 2,718.82, 3,751.96 and 1,539.86

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Solution

The fourth proportional to 2,718.82, 3,751.96 and 1,539.86 is: 2,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.82 : 3,751.96 = 1,539.86 : x
  2. Step 2: Convert to fraction form
    2,718.82/3,751.96 = 1,539.86/x
  3. Step 3: Cross multiply
    2,718.82x = 3,751.96 × 1,539.86
  4. Step 4: Simplify right side
    2,718.82x = 5,777,493.13
  5. Step 5: Solve for x
    x = 5,777,493.13/2,718.82
  6. Step 6: Final answer
    x = 2,125.00

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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.