Home / 1,910.31-2,636.64-1,124.43

Finding the Fourth Proportional to 1,910.31, 2,636.64 and 1,124.43

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Solution

The fourth proportional to 1,910.31, 2,636.64 and 1,124.43 is: 1,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.31 : 2,636.64 = 1,124.43 : x
  2. Step 2: Convert to fraction form
    1,910.31/2,636.64 = 1,124.43/x
  3. Step 3: Cross multiply
    1,910.31x = 2,636.64 × 1,124.43
  4. Step 4: Simplify right side
    1,910.31x = 2,964,717.12
  5. Step 5: Solve for x
    x = 2,964,717.12/1,910.31
  6. Step 6: Final answer
    x = 1,551.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.