Home / 2,175.30-3,257.55-1,743.30

Finding the Fourth Proportional to 2,175.30, 3,257.55 and 1,743.30

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Solution

The fourth proportional to 2,175.30, 3,257.55 and 1,743.30 is: 2,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.30 : 3,257.55 = 1,743.30 : x
  2. Step 2: Convert to fraction form
    2,175.30/3,257.55 = 1,743.30/x
  3. Step 3: Cross multiply
    2,175.30x = 3,257.55 × 1,743.30
  4. Step 4: Simplify right side
    2,175.30x = 5,678,886.92
  5. Step 5: Solve for x
    x = 5,678,886.92/2,175.30
  6. Step 6: Final answer
    x = 2,610.62

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1.5x scale

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.