Home / 1,222.32-1,834.08-492.54

Finding the Fourth Proportional to 1,222.32, 1,834.08 and 492.54

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Solution

The fourth proportional to 1,222.32, 1,834.08 and 492.54 is: 739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.32 : 1,834.08 = 492.54 : x
  2. Step 2: Convert to fraction form
    1,222.32/1,834.08 = 492.54/x
  3. Step 3: Cross multiply
    1,222.32x = 1,834.08 × 492.54
  4. Step 4: Simplify right side
    1,222.32x = 903,357.76
  5. Step 5: Solve for x
    x = 903,357.76/1,222.32
  6. Step 6: Final answer
    x = 739.05

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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.