Home / 3,428.94-4,728.40-2,933.22

Finding the Fourth Proportional to 3,428.94, 4,728.40 and 2,933.22

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Solution

The fourth proportional to 3,428.94, 4,728.40 and 2,933.22 is: 4,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.94 : 4,728.40 = 2,933.22 : x
  2. Step 2: Convert to fraction form
    3,428.94/4,728.40 = 2,933.22/x
  3. Step 3: Cross multiply
    3,428.94x = 4,728.40 × 2,933.22
  4. Step 4: Simplify right side
    3,428.94x = 13,869,437.45
  5. Step 5: Solve for x
    x = 13,869,437.45/3,428.94
  6. Step 6: Final answer
    x = 4,044.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.