Home / 2,285.92-3,432.12-2,181.52

Finding the Fourth Proportional to 2,285.92, 3,432.12 and 2,181.52

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Solution

The fourth proportional to 2,285.92, 3,432.12 and 2,181.52 is: 3,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.92 : 3,432.12 = 2,181.52 : x
  2. Step 2: Convert to fraction form
    2,285.92/3,432.12 = 2,181.52/x
  3. Step 3: Cross multiply
    2,285.92x = 3,432.12 × 2,181.52
  4. Step 4: Simplify right side
    2,285.92x = 7,487,238.42
  5. Step 5: Solve for x
    x = 7,487,238.42/2,285.92
  6. Step 6: Final answer
    x = 3,275.37

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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.