Home / 3,423.30-5,135.87-1,083.38

Finding the Fourth Proportional to 3,423.30, 5,135.87 and 1,083.38

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Solution

The fourth proportional to 3,423.30, 5,135.87 and 1,083.38 is: 1,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.30 : 5,135.87 = 1,083.38 : x
  2. Step 2: Convert to fraction form
    3,423.30/5,135.87 = 1,083.38/x
  3. Step 3: Cross multiply
    3,423.30x = 5,135.87 × 1,083.38
  4. Step 4: Simplify right side
    3,423.30x = 5,564,075.87
  5. Step 5: Solve for x
    x = 5,564,075.87/3,423.30
  6. Step 6: Final answer
    x = 1,625.36

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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.