Home / 3,422.16-5,134.05-1,778.33

Finding the Fourth Proportional to 3,422.16, 5,134.05 and 1,778.33

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Solution

The fourth proportional to 3,422.16, 5,134.05 and 1,778.33 is: 2,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.16 : 5,134.05 = 1,778.33 : x
  2. Step 2: Convert to fraction form
    3,422.16/5,134.05 = 1,778.33/x
  3. Step 3: Cross multiply
    3,422.16x = 5,134.05 × 1,778.33
  4. Step 4: Simplify right side
    3,422.16x = 9,130,047.97
  5. Step 5: Solve for x
    x = 9,130,047.97/3,422.16
  6. Step 6: Final answer
    x = 2,667.92

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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.