Home / 1,816.39-2,723.37-841.96

Finding the Fourth Proportional to 1,816.39, 2,723.37 and 841.96

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Solution

The fourth proportional to 1,816.39, 2,723.37 and 841.96 is: 1,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.39 : 2,723.37 = 841.96 : x
  2. Step 2: Convert to fraction form
    1,816.39/2,723.37 = 841.96/x
  3. Step 3: Cross multiply
    1,816.39x = 2,723.37 × 841.96
  4. Step 4: Simplify right side
    1,816.39x = 2,292,968.61
  5. Step 5: Solve for x
    x = 2,292,968.61/1,816.39
  6. Step 6: Final answer
    x = 1,262.38

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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.