Home / 2,305.08-3,181.14-2,149.56

Finding the Fourth Proportional to 2,305.08, 3,181.14 and 2,149.56

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Solution

The fourth proportional to 2,305.08, 3,181.14 and 2,149.56 is: 2,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.08 : 3,181.14 = 2,149.56 : x
  2. Step 2: Convert to fraction form
    2,305.08/3,181.14 = 2,149.56/x
  3. Step 3: Cross multiply
    2,305.08x = 3,181.14 × 2,149.56
  4. Step 4: Simplify right side
    2,305.08x = 6,838,051.30
  5. Step 5: Solve for x
    x = 6,838,051.30/2,305.08
  6. Step 6: Final answer
    x = 2,966.51

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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.