Home / 2,256.96-3,108.32-2,176.96

Finding the Fourth Proportional to 2,256.96, 3,108.32 and 2,176.96

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Solution

The fourth proportional to 2,256.96, 3,108.32 and 2,176.96 is: 2,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.96 : 3,108.32 = 2,176.96 : x
  2. Step 2: Convert to fraction form
    2,256.96/3,108.32 = 2,176.96/x
  3. Step 3: Cross multiply
    2,256.96x = 3,108.32 × 2,176.96
  4. Step 4: Simplify right side
    2,256.96x = 6,766,688.31
  5. Step 5: Solve for x
    x = 6,766,688.31/2,256.96
  6. Step 6: Final answer
    x = 2,998.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.