Home / 3,703.30-5,548.20-2,928.40

Finding the Fourth Proportional to 3,703.30, 5,548.20 and 2,928.40

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Solution

The fourth proportional to 3,703.30, 5,548.20 and 2,928.40 is: 4,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.30 : 5,548.20 = 2,928.40 : x
  2. Step 2: Convert to fraction form
    3,703.30/5,548.20 = 2,928.40/x
  3. Step 3: Cross multiply
    3,703.30x = 5,548.20 × 2,928.40
  4. Step 4: Simplify right side
    3,703.30x = 16,247,348.88
  5. Step 5: Solve for x
    x = 16,247,348.88/3,703.30
  6. Step 6: Final answer
    x = 4,387.26

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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.