Home / 1,836.57-2,752.73-1,178.80

Finding the Fourth Proportional to 1,836.57, 2,752.73 and 1,178.80

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Solution

The fourth proportional to 1,836.57, 2,752.73 and 1,178.80 is: 1,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.57 : 2,752.73 = 1,178.80 : x
  2. Step 2: Convert to fraction form
    1,836.57/2,752.73 = 1,178.80/x
  3. Step 3: Cross multiply
    1,836.57x = 2,752.73 × 1,178.80
  4. Step 4: Simplify right side
    1,836.57x = 3,244,931.88
  5. Step 5: Solve for x
    x = 3,244,931.88/1,836.57
  6. Step 6: Final answer
    x = 1,766.84

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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.