Home / 3,601.15-4,969.46-2,109.04

Finding the Fourth Proportional to 3,601.15, 4,969.46 and 2,109.04

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Solution

The fourth proportional to 3,601.15, 4,969.46 and 2,109.04 is: 2,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.15 : 4,969.46 = 2,109.04 : x
  2. Step 2: Convert to fraction form
    3,601.15/4,969.46 = 2,109.04/x
  3. Step 3: Cross multiply
    3,601.15x = 4,969.46 × 2,109.04
  4. Step 4: Simplify right side
    3,601.15x = 10,480,776.84
  5. Step 5: Solve for x
    x = 10,480,776.84/3,601.15
  6. Step 6: Final answer
    x = 2,910.40

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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.