Home / 2,179.11-3,266.57-1,396.92

Finding the Fourth Proportional to 2,179.11, 3,266.57 and 1,396.92

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Solution

The fourth proportional to 2,179.11, 3,266.57 and 1,396.92 is: 2,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.11 : 3,266.57 = 1,396.92 : x
  2. Step 2: Convert to fraction form
    2,179.11/3,266.57 = 1,396.92/x
  3. Step 3: Cross multiply
    2,179.11x = 3,266.57 × 1,396.92
  4. Step 4: Simplify right side
    2,179.11x = 4,563,152.71
  5. Step 5: Solve for x
    x = 4,563,152.71/2,179.11
  6. Step 6: Final answer
    x = 2,094.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.