Home / 2,448.81-3,379.39-1,329.76

Finding the Fourth Proportional to 2,448.81, 3,379.39 and 1,329.76

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Solution

The fourth proportional to 2,448.81, 3,379.39 and 1,329.76 is: 1,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.81 : 3,379.39 = 1,329.76 : x
  2. Step 2: Convert to fraction form
    2,448.81/3,379.39 = 1,329.76/x
  3. Step 3: Cross multiply
    2,448.81x = 3,379.39 × 1,329.76
  4. Step 4: Simplify right side
    2,448.81x = 4,493,765.87
  5. Step 5: Solve for x
    x = 4,493,765.87/2,448.81
  6. Step 6: Final answer
    x = 1,835.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.