Home / 1,165.19-1,747.54-548.72

Finding the Fourth Proportional to 1,165.19, 1,747.54 and 548.72

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Solution

The fourth proportional to 1,165.19, 1,747.54 and 548.72 is: 822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.19 : 1,747.54 = 548.72 : x
  2. Step 2: Convert to fraction form
    1,165.19/1,747.54 = 548.72/x
  3. Step 3: Cross multiply
    1,165.19x = 1,747.54 × 548.72
  4. Step 4: Simplify right side
    1,165.19x = 958,908.65
  5. Step 5: Solve for x
    x = 958,908.65/1,165.19
  6. Step 6: Final answer
    x = 822.97

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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.