Home / 3,480.41-5,214.63-2,160.92

Finding the Fourth Proportional to 3,480.41, 5,214.63 and 2,160.92

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Solution

The fourth proportional to 3,480.41, 5,214.63 and 2,160.92 is: 3,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.41 : 5,214.63 = 2,160.92 : x
  2. Step 2: Convert to fraction form
    3,480.41/5,214.63 = 2,160.92/x
  3. Step 3: Cross multiply
    3,480.41x = 5,214.63 × 2,160.92
  4. Step 4: Simplify right side
    3,480.41x = 11,268,370.58
  5. Step 5: Solve for x
    x = 11,268,370.58/3,480.41
  6. Step 6: Final answer
    x = 3,237.66

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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.