Home / 4,109.60-6,164.40-2,141.30

Finding the Fourth Proportional to 4,109.60, 6,164.40 and 2,141.30

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Solution

The fourth proportional to 4,109.60, 6,164.40 and 2,141.30 is: 3,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.60 : 6,164.40 = 2,141.30 : x
  2. Step 2: Convert to fraction form
    4,109.60/6,164.40 = 2,141.30/x
  3. Step 3: Cross multiply
    4,109.60x = 6,164.40 × 2,141.30
  4. Step 4: Simplify right side
    4,109.60x = 13,199,829.72
  5. Step 5: Solve for x
    x = 13,199,829.72/4,109.60
  6. Step 6: Final answer
    x = 3,211.95

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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.