Home / 2,377.43-3,280.68-1,382.64

Finding the Fourth Proportional to 2,377.43, 3,280.68 and 1,382.64

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Solution

The fourth proportional to 2,377.43, 3,280.68 and 1,382.64 is: 1,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.43 : 3,280.68 = 1,382.64 : x
  2. Step 2: Convert to fraction form
    2,377.43/3,280.68 = 1,382.64/x
  3. Step 3: Cross multiply
    2,377.43x = 3,280.68 × 1,382.64
  4. Step 4: Simplify right side
    2,377.43x = 4,535,982.99
  5. Step 5: Solve for x
    x = 4,535,982.99/2,377.43
  6. Step 6: Final answer
    x = 1,907.94

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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.