Home / 1,845.80-2,770.38-750.92

Finding the Fourth Proportional to 1,845.80, 2,770.38 and 750.92

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Solution

The fourth proportional to 1,845.80, 2,770.38 and 750.92 is: 1,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.80 : 2,770.38 = 750.92 : x
  2. Step 2: Convert to fraction form
    1,845.80/2,770.38 = 750.92/x
  3. Step 3: Cross multiply
    1,845.80x = 2,770.38 × 750.92
  4. Step 4: Simplify right side
    1,845.80x = 2,080,333.75
  5. Step 5: Solve for x
    x = 2,080,333.75/1,845.80
  6. Step 6: Final answer
    x = 1,127.06

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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.