Home / 3,658.76-5,049.06-2,087.36

Finding the Fourth Proportional to 3,658.76, 5,049.06 and 2,087.36

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Solution

The fourth proportional to 3,658.76, 5,049.06 and 2,087.36 is: 2,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.76 : 5,049.06 = 2,087.36 : x
  2. Step 2: Convert to fraction form
    3,658.76/5,049.06 = 2,087.36/x
  3. Step 3: Cross multiply
    3,658.76x = 5,049.06 × 2,087.36
  4. Step 4: Simplify right side
    3,658.76x = 10,539,205.88
  5. Step 5: Solve for x
    x = 10,539,205.88/3,658.76
  6. Step 6: Final answer
    x = 2,880.54

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1.5x scale

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.