Home / 3,182.08-4,390.94-1,855.52

Finding the Fourth Proportional to 3,182.08, 4,390.94 and 1,855.52

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Solution

The fourth proportional to 3,182.08, 4,390.94 and 1,855.52 is: 2,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.08 : 4,390.94 = 1,855.52 : x
  2. Step 2: Convert to fraction form
    3,182.08/4,390.94 = 1,855.52/x
  3. Step 3: Cross multiply
    3,182.08x = 4,390.94 × 1,855.52
  4. Step 4: Simplify right side
    3,182.08x = 8,147,476.99
  5. Step 5: Solve for x
    x = 8,147,476.99/3,182.08
  6. Step 6: Final answer
    x = 2,560.42

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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.