Home / 3,517.77-4,849.95-2,189.10

Finding the Fourth Proportional to 3,517.77, 4,849.95 and 2,189.10

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Solution

The fourth proportional to 3,517.77, 4,849.95 and 2,189.10 is: 3,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.77 : 4,849.95 = 2,189.10 : x
  2. Step 2: Convert to fraction form
    3,517.77/4,849.95 = 2,189.10/x
  3. Step 3: Cross multiply
    3,517.77x = 4,849.95 × 2,189.10
  4. Step 4: Simplify right side
    3,517.77x = 10,617,025.55
  5. Step 5: Solve for x
    x = 10,617,025.55/3,517.77
  6. Step 6: Final answer
    x = 3,018.11

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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.