Home / 3,390.75-5,066.69-2,584.87

Finding the Fourth Proportional to 3,390.75, 5,066.69 and 2,584.87

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Solution

The fourth proportional to 3,390.75, 5,066.69 and 2,584.87 is: 3,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.75 : 5,066.69 = 2,584.87 : x
  2. Step 2: Convert to fraction form
    3,390.75/5,066.69 = 2,584.87/x
  3. Step 3: Cross multiply
    3,390.75x = 5,066.69 × 2,584.87
  4. Step 4: Simplify right side
    3,390.75x = 13,096,738.08
  5. Step 5: Solve for x
    x = 13,096,738.08/3,390.75
  6. Step 6: Final answer
    x = 3,862.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.