Home / 3,540.12-5,304.68-1,347.68

Finding the Fourth Proportional to 3,540.12, 5,304.68 and 1,347.68

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Solution

The fourth proportional to 3,540.12, 5,304.68 and 1,347.68 is: 2,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 5,304.68 = 1,347.68 : x
  2. Step 2: Convert to fraction form
    3,540.12/5,304.68 = 1,347.68/x
  3. Step 3: Cross multiply
    3,540.12x = 5,304.68 × 1,347.68
  4. Step 4: Simplify right side
    3,540.12x = 7,149,011.14
  5. Step 5: Solve for x
    x = 7,149,011.14/3,540.12
  6. Step 6: Final answer
    x = 2,019.43

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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.