Home / 2,428.46-3,351.26-1,380.52

Finding the Fourth Proportional to 2,428.46, 3,351.26 and 1,380.52

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Solution

The fourth proportional to 2,428.46, 3,351.26 and 1,380.52 is: 1,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.46 : 3,351.26 = 1,380.52 : x
  2. Step 2: Convert to fraction form
    2,428.46/3,351.26 = 1,380.52/x
  3. Step 3: Cross multiply
    2,428.46x = 3,351.26 × 1,380.52
  4. Step 4: Simplify right side
    2,428.46x = 4,626,489.10
  5. Step 5: Solve for x
    x = 4,626,489.10/2,428.46
  6. Step 6: Final answer
    x = 1,905.11

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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.