Home / 2,704.51-4,053.23-1,387.14

Finding the Fourth Proportional to 2,704.51, 4,053.23 and 1,387.14

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Solution

The fourth proportional to 2,704.51, 4,053.23 and 1,387.14 is: 2,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.51 : 4,053.23 = 1,387.14 : x
  2. Step 2: Convert to fraction form
    2,704.51/4,053.23 = 1,387.14/x
  3. Step 3: Cross multiply
    2,704.51x = 4,053.23 × 1,387.14
  4. Step 4: Simplify right side
    2,704.51x = 5,622,390.53
  5. Step 5: Solve for x
    x = 5,622,390.53/2,704.51
  6. Step 6: Final answer
    x = 2,078.90

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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.