Home / 2,930.92-4,405.02-1,962.76

Finding the Fourth Proportional to 2,930.92, 4,405.02 and 1,962.76

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Solution

The fourth proportional to 2,930.92, 4,405.02 and 1,962.76 is: 2,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.92 : 4,405.02 = 1,962.76 : x
  2. Step 2: Convert to fraction form
    2,930.92/4,405.02 = 1,962.76/x
  3. Step 3: Cross multiply
    2,930.92x = 4,405.02 × 1,962.76
  4. Step 4: Simplify right side
    2,930.92x = 8,645,997.06
  5. Step 5: Solve for x
    x = 8,645,997.06/2,930.92
  6. Step 6: Final answer
    x = 2,949.93

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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.