Home / 2,351.14-3,242.33-1,406.78

Finding the Fourth Proportional to 2,351.14, 3,242.33 and 1,406.78

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Solution

The fourth proportional to 2,351.14, 3,242.33 and 1,406.78 is: 1,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.14 : 3,242.33 = 1,406.78 : x
  2. Step 2: Convert to fraction form
    2,351.14/3,242.33 = 1,406.78/x
  3. Step 3: Cross multiply
    2,351.14x = 3,242.33 × 1,406.78
  4. Step 4: Simplify right side
    2,351.14x = 4,561,233.11
  5. Step 5: Solve for x
    x = 4,561,233.11/2,351.14
  6. Step 6: Final answer
    x = 1,940.01

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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.