Home / 1,469.56-2,200.08-1,145.20

Finding the Fourth Proportional to 1,469.56, 2,200.08 and 1,145.20

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Solution

The fourth proportional to 1,469.56, 2,200.08 and 1,145.20 is: 1,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.56 : 2,200.08 = 1,145.20 : x
  2. Step 2: Convert to fraction form
    1,469.56/2,200.08 = 1,145.20/x
  3. Step 3: Cross multiply
    1,469.56x = 2,200.08 × 1,145.20
  4. Step 4: Simplify right side
    1,469.56x = 2,519,531.62
  5. Step 5: Solve for x
    x = 2,519,531.62/1,469.56
  6. Step 6: Final answer
    x = 1,714.48

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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.