Home / 2,718.31-3,751.41-1,539.49

Finding the Fourth Proportional to 2,718.31, 3,751.41 and 1,539.49

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Solution

The fourth proportional to 2,718.31, 3,751.41 and 1,539.49 is: 2,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.31 : 3,751.41 = 1,539.49 : x
  2. Step 2: Convert to fraction form
    2,718.31/3,751.41 = 1,539.49/x
  3. Step 3: Cross multiply
    2,718.31x = 3,751.41 × 1,539.49
  4. Step 4: Simplify right side
    2,718.31x = 5,775,258.18
  5. Step 5: Solve for x
    x = 5,775,258.18/2,718.31
  6. Step 6: Final answer
    x = 2,124.58

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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.