Home / 1,333.23-2,000.37-553.04

Finding the Fourth Proportional to 1,333.23, 2,000.37 and 553.04

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Solution

The fourth proportional to 1,333.23, 2,000.37 and 553.04 is: 829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.23 : 2,000.37 = 553.04 : x
  2. Step 2: Convert to fraction form
    1,333.23/2,000.37 = 553.04/x
  3. Step 3: Cross multiply
    1,333.23x = 2,000.37 × 553.04
  4. Step 4: Simplify right side
    1,333.23x = 1,106,285.46
  5. Step 5: Solve for x
    x = 1,106,285.46/1,333.23
  6. Step 6: Final answer
    x = 829.78

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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.