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Finding the Fourth Proportional to 3,658.88, 5,050.16 and 2,087.88

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Solution

The fourth proportional to 3,658.88, 5,050.16 and 2,087.88 is: 2,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.88 : 5,050.16 = 2,087.88 : x
  2. Step 2: Convert to fraction form
    3,658.88/5,050.16 = 2,087.88/x
  3. Step 3: Cross multiply
    3,658.88x = 5,050.16 × 2,087.88
  4. Step 4: Simplify right side
    3,658.88x = 10,544,117.62
  5. Step 5: Solve for x
    x = 10,544,117.62/3,658.88
  6. Step 6: Final answer
    x = 2,881.79

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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.