Home / 1,222.16-1,833.80-529.04

Finding the Fourth Proportional to 1,222.16, 1,833.80 and 529.04

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Solution

The fourth proportional to 1,222.16, 1,833.80 and 529.04 is: 793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.16 : 1,833.80 = 529.04 : x
  2. Step 2: Convert to fraction form
    1,222.16/1,833.80 = 529.04/x
  3. Step 3: Cross multiply
    1,222.16x = 1,833.80 × 529.04
  4. Step 4: Simplify right side
    1,222.16x = 970,153.55
  5. Step 5: Solve for x
    x = 970,153.55/1,222.16
  6. Step 6: Final answer
    x = 793.80

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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.