Home / 1,813.23-2,722.37-1,487.61

Finding the Fourth Proportional to 1,813.23, 2,722.37 and 1,487.61

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Solution

The fourth proportional to 1,813.23, 2,722.37 and 1,487.61 is: 2,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.23 : 2,722.37 = 1,487.61 : x
  2. Step 2: Convert to fraction form
    1,813.23/2,722.37 = 1,487.61/x
  3. Step 3: Cross multiply
    1,813.23x = 2,722.37 × 1,487.61
  4. Step 4: Simplify right side
    1,813.23x = 4,049,817.40
  5. Step 5: Solve for x
    x = 4,049,817.40/1,813.23
  6. Step 6: Final answer
    x = 2,233.48

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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.