Home / 2,163.66-3,242.45-1,237.83

Finding the Fourth Proportional to 2,163.66, 3,242.45 and 1,237.83

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Solution

The fourth proportional to 2,163.66, 3,242.45 and 1,237.83 is: 1,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.66 : 3,242.45 = 1,237.83 : x
  2. Step 2: Convert to fraction form
    2,163.66/3,242.45 = 1,237.83/x
  3. Step 3: Cross multiply
    2,163.66x = 3,242.45 × 1,237.83
  4. Step 4: Simplify right side
    2,163.66x = 4,013,595.69
  5. Step 5: Solve for x
    x = 4,013,595.69/2,163.66
  6. Step 6: Final answer
    x = 1,855.00

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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.