Home / 2,412.92-3,329.71-1,418.75

Finding the Fourth Proportional to 2,412.92, 3,329.71 and 1,418.75

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Solution

The fourth proportional to 2,412.92, 3,329.71 and 1,418.75 is: 1,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.92 : 3,329.71 = 1,418.75 : x
  2. Step 2: Convert to fraction form
    2,412.92/3,329.71 = 1,418.75/x
  3. Step 3: Cross multiply
    2,412.92x = 3,329.71 × 1,418.75
  4. Step 4: Simplify right side
    2,412.92x = 4,724,018.35
  5. Step 5: Solve for x
    x = 4,724,018.35/2,412.92
  6. Step 6: Final answer
    x = 1,957.80

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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.