Home / 2,760.60-3,807-1,817.04

Finding the Fourth Proportional to 2,760.60, 3,807 and 1,817.04

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Solution

The fourth proportional to 2,760.60, 3,807 and 1,817.04 is: 2,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.60 : 3,807 = 1,817.04 : x
  2. Step 2: Convert to fraction form
    2,760.60/3,807 = 1,817.04/x
  3. Step 3: Cross multiply
    2,760.60x = 3,807 × 1,817.04
  4. Step 4: Simplify right side
    2,760.60x = 6,917,471.28
  5. Step 5: Solve for x
    x = 6,917,471.28/2,760.60
  6. Step 6: Final answer
    x = 2,505.79

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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.