Home / 1,362.22-2,043.90-923.96

Finding the Fourth Proportional to 1,362.22, 2,043.90 and 923.96

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Solution

The fourth proportional to 1,362.22, 2,043.90 and 923.96 is: 1,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.22 : 2,043.90 = 923.96 : x
  2. Step 2: Convert to fraction form
    1,362.22/2,043.90 = 923.96/x
  3. Step 3: Cross multiply
    1,362.22x = 2,043.90 × 923.96
  4. Step 4: Simplify right side
    1,362.22x = 1,888,486.95
  5. Step 5: Solve for x
    x = 1,888,486.95/1,362.22
  6. Step 6: Final answer
    x = 1,386.33

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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.