Home / 3,427.52-4,729.96-1,855.61

Finding the Fourth Proportional to 3,427.52, 4,729.96 and 1,855.61

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Solution

The fourth proportional to 3,427.52, 4,729.96 and 1,855.61 is: 2,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.52 : 4,729.96 = 1,855.61 : x
  2. Step 2: Convert to fraction form
    3,427.52/4,729.96 = 1,855.61/x
  3. Step 3: Cross multiply
    3,427.52x = 4,729.96 × 1,855.61
  4. Step 4: Simplify right side
    3,427.52x = 8,776,961.08
  5. Step 5: Solve for x
    x = 8,776,961.08/3,427.52
  6. Step 6: Final answer
    x = 2,560.73

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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.