Home / 2,760.14-4,139-1,718.58

Finding the Fourth Proportional to 2,760.14, 4,139 and 1,718.58

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Solution

The fourth proportional to 2,760.14, 4,139 and 1,718.58 is: 2,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.14 : 4,139 = 1,718.58 : x
  2. Step 2: Convert to fraction form
    2,760.14/4,139 = 1,718.58/x
  3. Step 3: Cross multiply
    2,760.14x = 4,139 × 1,718.58
  4. Step 4: Simplify right side
    2,760.14x = 7,113,202.62
  5. Step 5: Solve for x
    x = 7,113,202.62/2,760.14
  6. Step 6: Final answer
    x = 2,577.12

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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.