Home / 3,618.73-5,421.66-2,520.94

Finding the Fourth Proportional to 3,618.73, 5,421.66 and 2,520.94

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Solution

The fourth proportional to 3,618.73, 5,421.66 and 2,520.94 is: 3,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.73 : 5,421.66 = 2,520.94 : x
  2. Step 2: Convert to fraction form
    3,618.73/5,421.66 = 2,520.94/x
  3. Step 3: Cross multiply
    3,618.73x = 5,421.66 × 2,520.94
  4. Step 4: Simplify right side
    3,618.73x = 13,667,679.56
  5. Step 5: Solve for x
    x = 13,667,679.56/3,618.73
  6. Step 6: Final answer
    x = 3,776.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.