Home / 2,528.92-3,775.73-2,181.88

Finding the Fourth Proportional to 2,528.92, 3,775.73 and 2,181.88

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Solution

The fourth proportional to 2,528.92, 3,775.73 and 2,181.88 is: 3,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.92 : 3,775.73 = 2,181.88 : x
  2. Step 2: Convert to fraction form
    2,528.92/3,775.73 = 2,181.88/x
  3. Step 3: Cross multiply
    2,528.92x = 3,775.73 × 2,181.88
  4. Step 4: Simplify right side
    2,528.92x = 8,238,189.77
  5. Step 5: Solve for x
    x = 8,238,189.77/2,528.92
  6. Step 6: Final answer
    x = 3,257.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.