Home / 3,428.73-5,142.53-1,579.46

Finding the Fourth Proportional to 3,428.73, 5,142.53 and 1,579.46

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Solution

The fourth proportional to 3,428.73, 5,142.53 and 1,579.46 is: 2,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.73 : 5,142.53 = 1,579.46 : x
  2. Step 2: Convert to fraction form
    3,428.73/5,142.53 = 1,579.46/x
  3. Step 3: Cross multiply
    3,428.73x = 5,142.53 × 1,579.46
  4. Step 4: Simplify right side
    3,428.73x = 8,122,423.72
  5. Step 5: Solve for x
    x = 8,122,423.72/3,428.73
  6. Step 6: Final answer
    x = 2,368.93

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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.