Home / 1,222.24-1,842.40-1,204.96

Finding the Fourth Proportional to 1,222.24, 1,842.40 and 1,204.96

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Solution

The fourth proportional to 1,222.24, 1,842.40 and 1,204.96 is: 1,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.24 : 1,842.40 = 1,204.96 : x
  2. Step 2: Convert to fraction form
    1,222.24/1,842.40 = 1,204.96/x
  3. Step 3: Cross multiply
    1,222.24x = 1,842.40 × 1,204.96
  4. Step 4: Simplify right side
    1,222.24x = 2,220,018.30
  5. Step 5: Solve for x
    x = 2,220,018.30/1,222.24
  6. Step 6: Final answer
    x = 1,816.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.