Home / 3,064.80-4,229.40-1,667.55

Finding the Fourth Proportional to 3,064.80, 4,229.40 and 1,667.55

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Solution

The fourth proportional to 3,064.80, 4,229.40 and 1,667.55 is: 2,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.80 : 4,229.40 = 1,667.55 : x
  2. Step 2: Convert to fraction form
    3,064.80/4,229.40 = 1,667.55/x
  3. Step 3: Cross multiply
    3,064.80x = 4,229.40 × 1,667.55
  4. Step 4: Simplify right side
    3,064.80x = 7,052,735.97
  5. Step 5: Solve for x
    x = 7,052,735.97/3,064.80
  6. Step 6: Final answer
    x = 2,301.21

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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.