Home / 3,338.37-5,007.69-1,489.14

Finding the Fourth Proportional to 3,338.37, 5,007.69 and 1,489.14

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Solution

The fourth proportional to 3,338.37, 5,007.69 and 1,489.14 is: 2,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.37 : 5,007.69 = 1,489.14 : x
  2. Step 2: Convert to fraction form
    3,338.37/5,007.69 = 1,489.14/x
  3. Step 3: Cross multiply
    3,338.37x = 5,007.69 × 1,489.14
  4. Step 4: Simplify right side
    3,338.37x = 7,457,151.49
  5. Step 5: Solve for x
    x = 7,457,151.49/3,338.37
  6. Step 6: Final answer
    x = 2,233.77

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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.