Home / 1,423.58-1,961.62-1,049.96

Finding the Fourth Proportional to 1,423.58, 1,961.62 and 1,049.96

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Solution

The fourth proportional to 1,423.58, 1,961.62 and 1,049.96 is: 1,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.58 : 1,961.62 = 1,049.96 : x
  2. Step 2: Convert to fraction form
    1,423.58/1,961.62 = 1,049.96/x
  3. Step 3: Cross multiply
    1,423.58x = 1,961.62 × 1,049.96
  4. Step 4: Simplify right side
    1,423.58x = 2,059,624.81
  5. Step 5: Solve for x
    x = 2,059,624.81/1,423.58
  6. Step 6: Final answer
    x = 1,446.80

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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.