Home / 1,296.18-1,944.24-322.29

Finding the Fourth Proportional to 1,296.18, 1,944.24 and 322.29

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Solution

The fourth proportional to 1,296.18, 1,944.24 and 322.29 is: 483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.18 : 1,944.24 = 322.29 : x
  2. Step 2: Convert to fraction form
    1,296.18/1,944.24 = 322.29/x
  3. Step 3: Cross multiply
    1,296.18x = 1,944.24 × 322.29
  4. Step 4: Simplify right side
    1,296.18x = 626,609.11
  5. Step 5: Solve for x
    x = 626,609.11/1,296.18
  6. Step 6: Final answer
    x = 483.43

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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.