Home / 3,557.61-4,911.30-2,439

Finding the Fourth Proportional to 3,557.61, 4,911.30 and 2,439

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Solution

The fourth proportional to 3,557.61, 4,911.30 and 2,439 is: 3,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.61 : 4,911.30 = 2,439 : x
  2. Step 2: Convert to fraction form
    3,557.61/4,911.30 = 2,439/x
  3. Step 3: Cross multiply
    3,557.61x = 4,911.30 × 2,439
  4. Step 4: Simplify right side
    3,557.61x = 11,978,660.70
  5. Step 5: Solve for x
    x = 11,978,660.70/3,557.61
  6. Step 6: Final answer
    x = 3,367.05

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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.