Home / 2,972.92-4,102.78-1,714.04

Finding the Fourth Proportional to 2,972.92, 4,102.78 and 1,714.04

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Solution

The fourth proportional to 2,972.92, 4,102.78 and 1,714.04 is: 2,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.92 : 4,102.78 = 1,714.04 : x
  2. Step 2: Convert to fraction form
    2,972.92/4,102.78 = 1,714.04/x
  3. Step 3: Cross multiply
    2,972.92x = 4,102.78 × 1,714.04
  4. Step 4: Simplify right side
    2,972.92x = 7,032,329.03
  5. Step 5: Solve for x
    x = 7,032,329.03/2,972.92
  6. Step 6: Final answer
    x = 2,365.46

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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.