Home / 3,724-5,143.44-2,479.84

Finding the Fourth Proportional to 3,724, 5,143.44 and 2,479.84

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Solution

The fourth proportional to 3,724, 5,143.44 and 2,479.84 is: 3,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724 : 5,143.44 = 2,479.84 : x
  2. Step 2: Convert to fraction form
    3,724/5,143.44 = 2,479.84/x
  3. Step 3: Cross multiply
    3,724x = 5,143.44 × 2,479.84
  4. Step 4: Simplify right side
    3,724x = 12,754,908.25
  5. Step 5: Solve for x
    x = 12,754,908.25/3,724
  6. Step 6: Final answer
    x = 3,425.06

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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.