Home / 2,401.78-3,314.36-1,353.82

Finding the Fourth Proportional to 2,401.78, 3,314.36 and 1,353.82

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Solution

The fourth proportional to 2,401.78, 3,314.36 and 1,353.82 is: 1,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.78 : 3,314.36 = 1,353.82 : x
  2. Step 2: Convert to fraction form
    2,401.78/3,314.36 = 1,353.82/x
  3. Step 3: Cross multiply
    2,401.78x = 3,314.36 × 1,353.82
  4. Step 4: Simplify right side
    2,401.78x = 4,487,046.86
  5. Step 5: Solve for x
    x = 4,487,046.86/2,401.78
  6. Step 6: Final answer
    x = 1,868.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.