Home / 3,251.85-4,485.15-2,071.86

Finding the Fourth Proportional to 3,251.85, 4,485.15 and 2,071.86

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Solution

The fourth proportional to 3,251.85, 4,485.15 and 2,071.86 is: 2,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.85 : 4,485.15 = 2,071.86 : x
  2. Step 2: Convert to fraction form
    3,251.85/4,485.15 = 2,071.86/x
  3. Step 3: Cross multiply
    3,251.85x = 4,485.15 × 2,071.86
  4. Step 4: Simplify right side
    3,251.85x = 9,292,602.88
  5. Step 5: Solve for x
    x = 9,292,602.88/3,251.85
  6. Step 6: Final answer
    x = 2,857.64

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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.