Home / 1,324.75-1,985.45-1,159.82

Finding the Fourth Proportional to 1,324.75, 1,985.45 and 1,159.82

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Solution

The fourth proportional to 1,324.75, 1,985.45 and 1,159.82 is: 1,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.75 : 1,985.45 = 1,159.82 : x
  2. Step 2: Convert to fraction form
    1,324.75/1,985.45 = 1,159.82/x
  3. Step 3: Cross multiply
    1,324.75x = 1,985.45 × 1,159.82
  4. Step 4: Simplify right side
    1,324.75x = 2,302,754.69
  5. Step 5: Solve for x
    x = 2,302,754.69/1,324.75
  6. Step 6: Final answer
    x = 1,738.26

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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.