Home / 3,370.42-5,055.90-1,809.28

Finding the Fourth Proportional to 3,370.42, 5,055.90 and 1,809.28

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Solution

The fourth proportional to 3,370.42, 5,055.90 and 1,809.28 is: 2,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.42 : 5,055.90 = 1,809.28 : x
  2. Step 2: Convert to fraction form
    3,370.42/5,055.90 = 1,809.28/x
  3. Step 3: Cross multiply
    3,370.42x = 5,055.90 × 1,809.28
  4. Step 4: Simplify right side
    3,370.42x = 9,147,538.75
  5. Step 5: Solve for x
    x = 9,147,538.75/3,370.42
  6. Step 6: Final answer
    x = 2,714.06

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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.