Home / 3,617.08-4,992.14-2,201.21

Finding the Fourth Proportional to 3,617.08, 4,992.14 and 2,201.21

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Solution

The fourth proportional to 3,617.08, 4,992.14 and 2,201.21 is: 3,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.08 : 4,992.14 = 2,201.21 : x
  2. Step 2: Convert to fraction form
    3,617.08/4,992.14 = 2,201.21/x
  3. Step 3: Cross multiply
    3,617.08x = 4,992.14 × 2,201.21
  4. Step 4: Simplify right side
    3,617.08x = 10,988,748.49
  5. Step 5: Solve for x
    x = 10,988,748.49/3,617.08
  6. Step 6: Final answer
    x = 3,038.02

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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.