Home / 1,813.96-2,496.99-1,580.68

Finding the Fourth Proportional to 1,813.96, 2,496.99 and 1,580.68

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Solution

The fourth proportional to 1,813.96, 2,496.99 and 1,580.68 is: 2,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.96 : 2,496.99 = 1,580.68 : x
  2. Step 2: Convert to fraction form
    1,813.96/2,496.99 = 1,580.68/x
  3. Step 3: Cross multiply
    1,813.96x = 2,496.99 × 1,580.68
  4. Step 4: Simplify right side
    1,813.96x = 3,946,942.15
  5. Step 5: Solve for x
    x = 3,946,942.15/1,813.96
  6. Step 6: Final answer
    x = 2,175.87

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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.