Home / 3,539.38-5,309.07-1,230.88

Finding the Fourth Proportional to 3,539.38, 5,309.07 and 1,230.88

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Solution

The fourth proportional to 3,539.38, 5,309.07 and 1,230.88 is: 1,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.38 : 5,309.07 = 1,230.88 : x
  2. Step 2: Convert to fraction form
    3,539.38/5,309.07 = 1,230.88/x
  3. Step 3: Cross multiply
    3,539.38x = 5,309.07 × 1,230.88
  4. Step 4: Simplify right side
    3,539.38x = 6,534,828.08
  5. Step 5: Solve for x
    x = 6,534,828.08/3,539.38
  6. Step 6: Final answer
    x = 1,846.32

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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.