Home / 3,320.95-4,581.39-1,992.37

Finding the Fourth Proportional to 3,320.95, 4,581.39 and 1,992.37

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Solution

The fourth proportional to 3,320.95, 4,581.39 and 1,992.37 is: 2,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.95 : 4,581.39 = 1,992.37 : x
  2. Step 2: Convert to fraction form
    3,320.95/4,581.39 = 1,992.37/x
  3. Step 3: Cross multiply
    3,320.95x = 4,581.39 × 1,992.37
  4. Step 4: Simplify right side
    3,320.95x = 9,127,823.99
  5. Step 5: Solve for x
    x = 9,127,823.99/3,320.95
  6. Step 6: Final answer
    x = 2,748.56

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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.