Home / 3,924.43-5,890.02-2,278.69

Finding the Fourth Proportional to 3,924.43, 5,890.02 and 2,278.69

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Solution

The fourth proportional to 3,924.43, 5,890.02 and 2,278.69 is: 3,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.43 : 5,890.02 = 2,278.69 : x
  2. Step 2: Convert to fraction form
    3,924.43/5,890.02 = 2,278.69/x
  3. Step 3: Cross multiply
    3,924.43x = 5,890.02 × 2,278.69
  4. Step 4: Simplify right side
    3,924.43x = 13,421,529.67
  5. Step 5: Solve for x
    x = 13,421,529.67/3,924.43
  6. Step 6: Final answer
    x = 3,419.99

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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.