Home / 2,633.55-3,945.53-2,143.95

Finding the Fourth Proportional to 2,633.55, 3,945.53 and 2,143.95

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Solution

The fourth proportional to 2,633.55, 3,945.53 and 2,143.95 is: 3,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.55 : 3,945.53 = 2,143.95 : x
  2. Step 2: Convert to fraction form
    2,633.55/3,945.53 = 2,143.95/x
  3. Step 3: Cross multiply
    2,633.55x = 3,945.53 × 2,143.95
  4. Step 4: Simplify right side
    2,633.55x = 8,459,008.32
  5. Step 5: Solve for x
    x = 8,459,008.32/2,633.55
  6. Step 6: Final answer
    x = 3,212.02

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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.