Home / 2,794.28-4,192.64-1,930.01

Finding the Fourth Proportional to 2,794.28, 4,192.64 and 1,930.01

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Solution

The fourth proportional to 2,794.28, 4,192.64 and 1,930.01 is: 2,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.28 : 4,192.64 = 1,930.01 : x
  2. Step 2: Convert to fraction form
    2,794.28/4,192.64 = 1,930.01/x
  3. Step 3: Cross multiply
    2,794.28x = 4,192.64 × 1,930.01
  4. Step 4: Simplify right side
    2,794.28x = 8,091,827.48
  5. Step 5: Solve for x
    x = 8,091,827.48/2,794.28
  6. Step 6: Final answer
    x = 2,895.85

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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.