Home / 2,936.92-4,053.30-1,818.60

Finding the Fourth Proportional to 2,936.92, 4,053.30 and 1,818.60

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Solution

The fourth proportional to 2,936.92, 4,053.30 and 1,818.60 is: 2,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.92 : 4,053.30 = 1,818.60 : x
  2. Step 2: Convert to fraction form
    2,936.92/4,053.30 = 1,818.60/x
  3. Step 3: Cross multiply
    2,936.92x = 4,053.30 × 1,818.60
  4. Step 4: Simplify right side
    2,936.92x = 7,371,331.38
  5. Step 5: Solve for x
    x = 7,371,331.38/2,936.92
  6. Step 6: Final answer
    x = 2,509.88

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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.