Home / 3,251.12-4,485.08-2,071.46

Finding the Fourth Proportional to 3,251.12, 4,485.08 and 2,071.46

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Solution

The fourth proportional to 3,251.12, 4,485.08 and 2,071.46 is: 2,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.12 : 4,485.08 = 2,071.46 : x
  2. Step 2: Convert to fraction form
    3,251.12/4,485.08 = 2,071.46/x
  3. Step 3: Cross multiply
    3,251.12x = 4,485.08 × 2,071.46
  4. Step 4: Simplify right side
    3,251.12x = 9,290,651.74
  5. Step 5: Solve for x
    x = 9,290,651.74/3,251.12
  6. Step 6: Final answer
    x = 2,857.68

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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.