Home / 3,600.12-4,968.81-2,107.95

Finding the Fourth Proportional to 3,600.12, 4,968.81 and 2,107.95

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Solution

The fourth proportional to 3,600.12, 4,968.81 and 2,107.95 is: 2,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.12 : 4,968.81 = 2,107.95 : x
  2. Step 2: Convert to fraction form
    3,600.12/4,968.81 = 2,107.95/x
  3. Step 3: Cross multiply
    3,600.12x = 4,968.81 × 2,107.95
  4. Step 4: Simplify right side
    3,600.12x = 10,474,003.04
  5. Step 5: Solve for x
    x = 10,474,003.04/3,600.12
  6. Step 6: Final answer
    x = 2,909.35

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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.