Home / 3,709.18-5,563.28-1,400.38

Finding the Fourth Proportional to 3,709.18, 5,563.28 and 1,400.38

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Solution

The fourth proportional to 3,709.18, 5,563.28 and 1,400.38 is: 2,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.18 : 5,563.28 = 1,400.38 : x
  2. Step 2: Convert to fraction form
    3,709.18/5,563.28 = 1,400.38/x
  3. Step 3: Cross multiply
    3,709.18x = 5,563.28 × 1,400.38
  4. Step 4: Simplify right side
    3,709.18x = 7,790,706.05
  5. Step 5: Solve for x
    x = 7,790,706.05/3,709.18
  6. Step 6: Final answer
    x = 2,100.39

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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.