Home / 1,960.74-2,942.02-1,230.83

Finding the Fourth Proportional to 1,960.74, 2,942.02 and 1,230.83

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Solution

The fourth proportional to 1,960.74, 2,942.02 and 1,230.83 is: 1,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.74 : 2,942.02 = 1,230.83 : x
  2. Step 2: Convert to fraction form
    1,960.74/2,942.02 = 1,230.83/x
  3. Step 3: Cross multiply
    1,960.74x = 2,942.02 × 1,230.83
  4. Step 4: Simplify right side
    1,960.74x = 3,621,124.34
  5. Step 5: Solve for x
    x = 3,621,124.34/1,960.74
  6. Step 6: Final answer
    x = 1,846.82

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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.