Home / 1,845.23-2,768.87-750.36

Finding the Fourth Proportional to 1,845.23, 2,768.87 and 750.36

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Solution

The fourth proportional to 1,845.23, 2,768.87 and 750.36 is: 1,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.23 : 2,768.87 = 750.36 : x
  2. Step 2: Convert to fraction form
    1,845.23/2,768.87 = 750.36/x
  3. Step 3: Cross multiply
    1,845.23x = 2,768.87 × 750.36
  4. Step 4: Simplify right side
    1,845.23x = 2,077,649.29
  5. Step 5: Solve for x
    x = 2,077,649.29/1,845.23
  6. Step 6: Final answer
    x = 1,125.96

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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.