Home / 2,108.96-3,160.68-1,525.92

Finding the Fourth Proportional to 2,108.96, 3,160.68 and 1,525.92

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Solution

The fourth proportional to 2,108.96, 3,160.68 and 1,525.92 is: 2,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.96 : 3,160.68 = 1,525.92 : x
  2. Step 2: Convert to fraction form
    2,108.96/3,160.68 = 1,525.92/x
  3. Step 3: Cross multiply
    2,108.96x = 3,160.68 × 1,525.92
  4. Step 4: Simplify right side
    2,108.96x = 4,822,944.83
  5. Step 5: Solve for x
    x = 4,822,944.83/2,108.96
  6. Step 6: Final answer
    x = 2,286.89

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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.