Home / 3,006.32-4,150.56-1,961.36

Finding the Fourth Proportional to 3,006.32, 4,150.56 and 1,961.36

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Solution

The fourth proportional to 3,006.32, 4,150.56 and 1,961.36 is: 2,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.32 : 4,150.56 = 1,961.36 : x
  2. Step 2: Convert to fraction form
    3,006.32/4,150.56 = 1,961.36/x
  3. Step 3: Cross multiply
    3,006.32x = 4,150.56 × 1,961.36
  4. Step 4: Simplify right side
    3,006.32x = 8,140,742.36
  5. Step 5: Solve for x
    x = 8,140,742.36/3,006.32
  6. Step 6: Final answer
    x = 2,707.88

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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.