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Finding the Fourth Proportional to 1,700.11, 2,550.75 and 877.96

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Solution

The fourth proportional to 1,700.11, 2,550.75 and 877.96 is: 1,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.11 : 2,550.75 = 877.96 : x
  2. Step 2: Convert to fraction form
    1,700.11/2,550.75 = 877.96/x
  3. Step 3: Cross multiply
    1,700.11x = 2,550.75 × 877.96
  4. Step 4: Simplify right side
    1,700.11x = 2,239,456.47
  5. Step 5: Solve for x
    x = 2,239,456.47/1,700.11
  6. Step 6: Final answer
    x = 1,317.24

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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.