Home / 2,184.21-3,251.61-2,171.24

Finding the Fourth Proportional to 2,184.21, 3,251.61 and 2,171.24

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Solution

The fourth proportional to 2,184.21, 3,251.61 and 2,171.24 is: 3,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.21 : 3,251.61 = 2,171.24 : x
  2. Step 2: Convert to fraction form
    2,184.21/3,251.61 = 2,171.24/x
  3. Step 3: Cross multiply
    2,184.21x = 3,251.61 × 2,171.24
  4. Step 4: Simplify right side
    2,184.21x = 7,060,025.70
  5. Step 5: Solve for x
    x = 7,060,025.70/2,184.21
  6. Step 6: Final answer
    x = 3,232.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.