Home / 2,705.38-4,056.24-1,243.74

Finding the Fourth Proportional to 2,705.38, 4,056.24 and 1,243.74

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Solution

The fourth proportional to 2,705.38, 4,056.24 and 1,243.74 is: 1,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.38 : 4,056.24 = 1,243.74 : x
  2. Step 2: Convert to fraction form
    2,705.38/4,056.24 = 1,243.74/x
  3. Step 3: Cross multiply
    2,705.38x = 4,056.24 × 1,243.74
  4. Step 4: Simplify right side
    2,705.38x = 5,044,907.94
  5. Step 5: Solve for x
    x = 5,044,907.94/2,705.38
  6. Step 6: Final answer
    x = 1,864.77

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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.