Home / 2,456.46-3,389.84-1,394.31

Finding the Fourth Proportional to 2,456.46, 3,389.84 and 1,394.31

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Solution

The fourth proportional to 2,456.46, 3,389.84 and 1,394.31 is: 1,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.46 : 3,389.84 = 1,394.31 : x
  2. Step 2: Convert to fraction form
    2,456.46/3,389.84 = 1,394.31/x
  3. Step 3: Cross multiply
    2,456.46x = 3,389.84 × 1,394.31
  4. Step 4: Simplify right side
    2,456.46x = 4,726,480.84
  5. Step 5: Solve for x
    x = 4,726,480.84/2,456.46
  6. Step 6: Final answer
    x = 1,924.10

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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.