Home / 3,692.10-5,541.36-1,938.34

Finding the Fourth Proportional to 3,692.10, 5,541.36 and 1,938.34

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Solution

The fourth proportional to 3,692.10, 5,541.36 and 1,938.34 is: 2,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.10 : 5,541.36 = 1,938.34 : x
  2. Step 2: Convert to fraction form
    3,692.10/5,541.36 = 1,938.34/x
  3. Step 3: Cross multiply
    3,692.10x = 5,541.36 × 1,938.34
  4. Step 4: Simplify right side
    3,692.10x = 10,741,039.40
  5. Step 5: Solve for x
    x = 10,741,039.40/3,692.10
  6. Step 6: Final answer
    x = 2,909.19

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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.