Home / 1,845.36-2,761.56-1,409.04

Finding the Fourth Proportional to 1,845.36, 2,761.56 and 1,409.04

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Solution

The fourth proportional to 1,845.36, 2,761.56 and 1,409.04 is: 2,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.36 : 2,761.56 = 1,409.04 : x
  2. Step 2: Convert to fraction form
    1,845.36/2,761.56 = 1,409.04/x
  3. Step 3: Cross multiply
    1,845.36x = 2,761.56 × 1,409.04
  4. Step 4: Simplify right side
    1,845.36x = 3,891,148.50
  5. Step 5: Solve for x
    x = 3,891,148.50/1,845.36
  6. Step 6: Final answer
    x = 2,108.61

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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.