Home / 2,319.81-3,201.22-1,324.96

Finding the Fourth Proportional to 2,319.81, 3,201.22 and 1,324.96

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Solution

The fourth proportional to 2,319.81, 3,201.22 and 1,324.96 is: 1,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.81 : 3,201.22 = 1,324.96 : x
  2. Step 2: Convert to fraction form
    2,319.81/3,201.22 = 1,324.96/x
  3. Step 3: Cross multiply
    2,319.81x = 3,201.22 × 1,324.96
  4. Step 4: Simplify right side
    2,319.81x = 4,241,482.10
  5. Step 5: Solve for x
    x = 4,241,482.10/2,319.81
  6. Step 6: Final answer
    x = 1,828.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.