Home / 3,091.12-4,265.42-1,764.56

Finding the Fourth Proportional to 3,091.12, 4,265.42 and 1,764.56

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Solution

The fourth proportional to 3,091.12, 4,265.42 and 1,764.56 is: 2,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.12 : 4,265.42 = 1,764.56 : x
  2. Step 2: Convert to fraction form
    3,091.12/4,265.42 = 1,764.56/x
  3. Step 3: Cross multiply
    3,091.12x = 4,265.42 × 1,764.56
  4. Step 4: Simplify right side
    3,091.12x = 7,526,591.36
  5. Step 5: Solve for x
    x = 7,526,591.36/3,091.12
  6. Step 6: Final answer
    x = 2,434.91

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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.