Home / 1,813.52-2,503.36-1,418.96

Finding the Fourth Proportional to 1,813.52, 2,503.36 and 1,418.96

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Solution

The fourth proportional to 1,813.52, 2,503.36 and 1,418.96 is: 1,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.52 : 2,503.36 = 1,418.96 : x
  2. Step 2: Convert to fraction form
    1,813.52/2,503.36 = 1,418.96/x
  3. Step 3: Cross multiply
    1,813.52x = 2,503.36 × 1,418.96
  4. Step 4: Simplify right side
    1,813.52x = 3,552,167.71
  5. Step 5: Solve for x
    x = 3,552,167.71/1,813.52
  6. Step 6: Final answer
    x = 1,958.71

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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.