Home / 2,428.52-3,351.31-1,433.84

Finding the Fourth Proportional to 2,428.52, 3,351.31 and 1,433.84

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Solution

The fourth proportional to 2,428.52, 3,351.31 and 1,433.84 is: 1,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.52 : 3,351.31 = 1,433.84 : x
  2. Step 2: Convert to fraction form
    2,428.52/3,351.31 = 1,433.84/x
  3. Step 3: Cross multiply
    2,428.52x = 3,351.31 × 1,433.84
  4. Step 4: Simplify right side
    2,428.52x = 4,805,221.99
  5. Step 5: Solve for x
    x = 4,805,221.99/2,428.52
  6. Step 6: Final answer
    x = 1,978.67

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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.