Home / 1,822.50-2,515.65-1,193.43

Finding the Fourth Proportional to 1,822.50, 2,515.65 and 1,193.43

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Solution

The fourth proportional to 1,822.50, 2,515.65 and 1,193.43 is: 1,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.50 : 2,515.65 = 1,193.43 : x
  2. Step 2: Convert to fraction form
    1,822.50/2,515.65 = 1,193.43/x
  3. Step 3: Cross multiply
    1,822.50x = 2,515.65 × 1,193.43
  4. Step 4: Simplify right side
    1,822.50x = 3,002,252.18
  5. Step 5: Solve for x
    x = 3,002,252.18/1,822.50
  6. Step 6: Final answer
    x = 1,647.33

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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.