Home / 1,165.08-1,747.68-385.07

Finding the Fourth Proportional to 1,165.08, 1,747.68 and 385.07

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Solution

The fourth proportional to 1,165.08, 1,747.68 and 385.07 is: 577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.08 : 1,747.68 = 385.07 : x
  2. Step 2: Convert to fraction form
    1,165.08/1,747.68 = 385.07/x
  3. Step 3: Cross multiply
    1,165.08x = 1,747.68 × 385.07
  4. Step 4: Simplify right side
    1,165.08x = 672,968.96
  5. Step 5: Solve for x
    x = 672,968.96/1,165.08
  6. Step 6: Final answer
    x = 577.61

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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.