Home / 3,699.20-5,548.80-3,539.28

Finding the Fourth Proportional to 3,699.20, 5,548.80 and 3,539.28

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Solution

The fourth proportional to 3,699.20, 5,548.80 and 3,539.28 is: 5,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.20 : 5,548.80 = 3,539.28 : x
  2. Step 2: Convert to fraction form
    3,699.20/5,548.80 = 3,539.28/x
  3. Step 3: Cross multiply
    3,699.20x = 5,548.80 × 3,539.28
  4. Step 4: Simplify right side
    3,699.20x = 19,638,756.86
  5. Step 5: Solve for x
    x = 19,638,756.86/3,699.20
  6. Step 6: Final answer
    x = 5,308.92

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1.5x scale

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.