Home / 1,174.23-1,618.52-964.04

Finding the Fourth Proportional to 1,174.23, 1,618.52 and 964.04

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Solution

The fourth proportional to 1,174.23, 1,618.52 and 964.04 is: 1,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.23 : 1,618.52 = 964.04 : x
  2. Step 2: Convert to fraction form
    1,174.23/1,618.52 = 964.04/x
  3. Step 3: Cross multiply
    1,174.23x = 1,618.52 × 964.04
  4. Step 4: Simplify right side
    1,174.23x = 1,560,305.11
  5. Step 5: Solve for x
    x = 1,560,305.11/1,174.23
  6. Step 6: Final answer
    x = 1,328.79

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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.