Home / 3,005.06-4,145.46-1,956.92

Finding the Fourth Proportional to 3,005.06, 4,145.46 and 1,956.92

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Solution

The fourth proportional to 3,005.06, 4,145.46 and 1,956.92 is: 2,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.06 : 4,145.46 = 1,956.92 : x
  2. Step 2: Convert to fraction form
    3,005.06/4,145.46 = 1,956.92/x
  3. Step 3: Cross multiply
    3,005.06x = 4,145.46 × 1,956.92
  4. Step 4: Simplify right side
    3,005.06x = 8,112,333.58
  5. Step 5: Solve for x
    x = 8,112,333.58/3,005.06
  6. Step 6: Final answer
    x = 2,699.56

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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.