Home / 3,145.62-4,714.59-1,412.34

Finding the Fourth Proportional to 3,145.62, 4,714.59 and 1,412.34

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Solution

The fourth proportional to 3,145.62, 4,714.59 and 1,412.34 is: 2,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.62 : 4,714.59 = 1,412.34 : x
  2. Step 2: Convert to fraction form
    3,145.62/4,714.59 = 1,412.34/x
  3. Step 3: Cross multiply
    3,145.62x = 4,714.59 × 1,412.34
  4. Step 4: Simplify right side
    3,145.62x = 6,658,604.04
  5. Step 5: Solve for x
    x = 6,658,604.04/3,145.62
  6. Step 6: Final answer
    x = 2,116.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.