Home / 1,815.96-2,727.54-1,555.86

Finding the Fourth Proportional to 1,815.96, 2,727.54 and 1,555.86

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Solution

The fourth proportional to 1,815.96, 2,727.54 and 1,555.86 is: 2,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.96 : 2,727.54 = 1,555.86 : x
  2. Step 2: Convert to fraction form
    1,815.96/2,727.54 = 1,555.86/x
  3. Step 3: Cross multiply
    1,815.96x = 2,727.54 × 1,555.86
  4. Step 4: Simplify right side
    1,815.96x = 4,243,670.38
  5. Step 5: Solve for x
    x = 4,243,670.38/1,815.96
  6. Step 6: Final answer
    x = 2,336.87

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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.