Home / 3,658.75-5,049.08-2,087.35

Finding the Fourth Proportional to 3,658.75, 5,049.08 and 2,087.35

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Solution

The fourth proportional to 3,658.75, 5,049.08 and 2,087.35 is: 2,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.75 : 5,049.08 = 2,087.35 : x
  2. Step 2: Convert to fraction form
    3,658.75/5,049.08 = 2,087.35/x
  3. Step 3: Cross multiply
    3,658.75x = 5,049.08 × 2,087.35
  4. Step 4: Simplify right side
    3,658.75x = 10,539,197.14
  5. Step 5: Solve for x
    x = 10,539,197.14/3,658.75
  6. Step 6: Final answer
    x = 2,880.55

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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.