Home / 1,439.01-2,163.74-1,324.83

Finding the Fourth Proportional to 1,439.01, 2,163.74 and 1,324.83

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Solution

The fourth proportional to 1,439.01, 2,163.74 and 1,324.83 is: 1,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439.01 : 2,163.74 = 1,324.83 : x
  2. Step 2: Convert to fraction form
    1,439.01/2,163.74 = 1,324.83/x
  3. Step 3: Cross multiply
    1,439.01x = 2,163.74 × 1,324.83
  4. Step 4: Simplify right side
    1,439.01x = 2,866,581.04
  5. Step 5: Solve for x
    x = 2,866,581.04/1,439.01
  6. Step 6: Final answer
    x = 1,992.05

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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.