Home / 3,113.89-4,669.52-922.03

Finding the Fourth Proportional to 3,113.89, 4,669.52 and 922.03

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Solution

The fourth proportional to 3,113.89, 4,669.52 and 922.03 is: 1,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.89 : 4,669.52 = 922.03 : x
  2. Step 2: Convert to fraction form
    3,113.89/4,669.52 = 922.03/x
  3. Step 3: Cross multiply
    3,113.89x = 4,669.52 × 922.03
  4. Step 4: Simplify right side
    3,113.89x = 4,305,421.24
  5. Step 5: Solve for x
    x = 4,305,421.24/3,113.89
  6. Step 6: Final answer
    x = 1,382.65

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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.