Home / 3,674.10-5,513.85-2,289.45

Finding the Fourth Proportional to 3,674.10, 5,513.85 and 2,289.45

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Solution

The fourth proportional to 3,674.10, 5,513.85 and 2,289.45 is: 3,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.10 : 5,513.85 = 2,289.45 : x
  2. Step 2: Convert to fraction form
    3,674.10/5,513.85 = 2,289.45/x
  3. Step 3: Cross multiply
    3,674.10x = 5,513.85 × 2,289.45
  4. Step 4: Simplify right side
    3,674.10x = 12,623,683.88
  5. Step 5: Solve for x
    x = 12,623,683.88/3,674.10
  6. Step 6: Final answer
    x = 3,435.86

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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.