Home / 3,336.40-5,015.40-2,369.20

Finding the Fourth Proportional to 3,336.40, 5,015.40 and 2,369.20

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Solution

The fourth proportional to 3,336.40, 5,015.40 and 2,369.20 is: 3,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.40 : 5,015.40 = 2,369.20 : x
  2. Step 2: Convert to fraction form
    3,336.40/5,015.40 = 2,369.20/x
  3. Step 3: Cross multiply
    3,336.40x = 5,015.40 × 2,369.20
  4. Step 4: Simplify right side
    3,336.40x = 11,882,485.68
  5. Step 5: Solve for x
    x = 11,882,485.68/3,336.40
  6. Step 6: Final answer
    x = 3,561.47

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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.