Home / 3,618.18-4,992.51-2,201.10

Finding the Fourth Proportional to 3,618.18, 4,992.51 and 2,201.10

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Solution

The fourth proportional to 3,618.18, 4,992.51 and 2,201.10 is: 3,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.18 : 4,992.51 = 2,201.10 : x
  2. Step 2: Convert to fraction form
    3,618.18/4,992.51 = 2,201.10/x
  3. Step 3: Cross multiply
    3,618.18x = 4,992.51 × 2,201.10
  4. Step 4: Simplify right side
    3,618.18x = 10,989,013.76
  5. Step 5: Solve for x
    x = 10,989,013.76/3,618.18
  6. Step 6: Final answer
    x = 3,037.17

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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.