Home / 3,376.24-5,064.88-1,428.96

Finding the Fourth Proportional to 3,376.24, 5,064.88 and 1,428.96

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Solution

The fourth proportional to 3,376.24, 5,064.88 and 1,428.96 is: 2,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.24 : 5,064.88 = 1,428.96 : x
  2. Step 2: Convert to fraction form
    3,376.24/5,064.88 = 1,428.96/x
  3. Step 3: Cross multiply
    3,376.24x = 5,064.88 × 1,428.96
  4. Step 4: Simplify right side
    3,376.24x = 7,237,510.92
  5. Step 5: Solve for x
    x = 7,237,510.92/3,376.24
  6. Step 6: Final answer
    x = 2,143.66

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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.