Home / 2,418.38-3,337.36-1,314.38

Finding the Fourth Proportional to 2,418.38, 3,337.36 and 1,314.38

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Solution

The fourth proportional to 2,418.38, 3,337.36 and 1,314.38 is: 1,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.38 : 3,337.36 = 1,314.38 : x
  2. Step 2: Convert to fraction form
    2,418.38/3,337.36 = 1,314.38/x
  3. Step 3: Cross multiply
    2,418.38x = 3,337.36 × 1,314.38
  4. Step 4: Simplify right side
    2,418.38x = 4,386,539.26
  5. Step 5: Solve for x
    x = 4,386,539.26/2,418.38
  6. Step 6: Final answer
    x = 1,813.84

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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.