Home / 3,973.50-5,961.96-2,124.18

Finding the Fourth Proportional to 3,973.50, 5,961.96 and 2,124.18

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Solution

The fourth proportional to 3,973.50, 5,961.96 and 2,124.18 is: 3,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.50 : 5,961.96 = 2,124.18 : x
  2. Step 2: Convert to fraction form
    3,973.50/5,961.96 = 2,124.18/x
  3. Step 3: Cross multiply
    3,973.50x = 5,961.96 × 2,124.18
  4. Step 4: Simplify right side
    3,973.50x = 12,664,276.19
  5. Step 5: Solve for x
    x = 12,664,276.19/3,973.50
  6. Step 6: Final answer
    x = 3,187.18

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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.