Home / 2,965.68-4,448.51-2,785.25

Finding the Fourth Proportional to 2,965.68, 4,448.51 and 2,785.25

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Solution

The fourth proportional to 2,965.68, 4,448.51 and 2,785.25 is: 4,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.68 : 4,448.51 = 2,785.25 : x
  2. Step 2: Convert to fraction form
    2,965.68/4,448.51 = 2,785.25/x
  3. Step 3: Cross multiply
    2,965.68x = 4,448.51 × 2,785.25
  4. Step 4: Simplify right side
    2,965.68x = 12,390,212.48
  5. Step 5: Solve for x
    x = 12,390,212.48/2,965.68
  6. Step 6: Final answer
    x = 4,177.87

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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.