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Finding the Fourth Proportional to 2,650.93, 3,658.30 and 1,656.79

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Solution

The fourth proportional to 2,650.93, 3,658.30 and 1,656.79 is: 2,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.93 : 3,658.30 = 1,656.79 : x
  2. Step 2: Convert to fraction form
    2,650.93/3,658.30 = 1,656.79/x
  3. Step 3: Cross multiply
    2,650.93x = 3,658.30 × 1,656.79
  4. Step 4: Simplify right side
    2,650.93x = 6,061,043.99
  5. Step 5: Solve for x
    x = 6,061,043.99/2,650.93
  6. Step 6: Final answer
    x = 2,286.39

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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.