Home / 2,162.66-3,245.24-1,423.18

Finding the Fourth Proportional to 2,162.66, 3,245.24 and 1,423.18

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Solution

The fourth proportional to 2,162.66, 3,245.24 and 1,423.18 is: 2,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.66 : 3,245.24 = 1,423.18 : x
  2. Step 2: Convert to fraction form
    2,162.66/3,245.24 = 1,423.18/x
  3. Step 3: Cross multiply
    2,162.66x = 3,245.24 × 1,423.18
  4. Step 4: Simplify right side
    2,162.66x = 4,618,568.28
  5. Step 5: Solve for x
    x = 4,618,568.28/2,162.66
  6. Step 6: Final answer
    x = 2,135.60

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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.