Home / 3,277.42-4,916.48-1,428.73

Finding the Fourth Proportional to 3,277.42, 4,916.48 and 1,428.73

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Solution

The fourth proportional to 3,277.42, 4,916.48 and 1,428.73 is: 2,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.42 : 4,916.48 = 1,428.73 : x
  2. Step 2: Convert to fraction form
    3,277.42/4,916.48 = 1,428.73/x
  3. Step 3: Cross multiply
    3,277.42x = 4,916.48 × 1,428.73
  4. Step 4: Simplify right side
    3,277.42x = 7,024,322.47
  5. Step 5: Solve for x
    x = 7,024,322.47/3,277.42
  6. Step 6: Final answer
    x = 2,143.25

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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.