Home / 3,618.09-4,992.81-2,046.21

Finding the Fourth Proportional to 3,618.09, 4,992.81 and 2,046.21

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Solution

The fourth proportional to 3,618.09, 4,992.81 and 2,046.21 is: 2,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.09 : 4,992.81 = 2,046.21 : x
  2. Step 2: Convert to fraction form
    3,618.09/4,992.81 = 2,046.21/x
  3. Step 3: Cross multiply
    3,618.09x = 4,992.81 × 2,046.21
  4. Step 4: Simplify right side
    3,618.09x = 10,216,337.75
  5. Step 5: Solve for x
    x = 10,216,337.75/3,618.09
  6. Step 6: Final answer
    x = 2,823.68

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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.