Home / 3,251.28-4,485.54-1,853.28

Finding the Fourth Proportional to 3,251.28, 4,485.54 and 1,853.28

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Solution

The fourth proportional to 3,251.28, 4,485.54 and 1,853.28 is: 2,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.28 : 4,485.54 = 1,853.28 : x
  2. Step 2: Convert to fraction form
    3,251.28/4,485.54 = 1,853.28/x
  3. Step 3: Cross multiply
    3,251.28x = 4,485.54 × 1,853.28
  4. Step 4: Simplify right side
    3,251.28x = 8,312,961.57
  5. Step 5: Solve for x
    x = 8,312,961.57/3,251.28
  6. Step 6: Final answer
    x = 2,556.83

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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.